液压机械行业中文英文对比液压机械行业所涉及的专业名词。

液压机械英语液压专业词汇流体传动（水力）hydraulic power液压技术（水力学）hydraulics液力技术（流体力学；水动力学）hydrodynamics气液技术（液压气动学）hydro-pneumatics运行工况operating working conditions额定工况rated working conditions极限工况limited working conditions瞬态工况instantaneous working conditions稳态工况steady-state working conditions许用工况acceptable working conditions连续工况continuous working conditions实际工况actual working conditions效率efficiency旋转方向direction of rotation公称压力nominal pressure工作压力working pressure进口压力inlet pressure出口压力outlet pressure压降pressure drop；differential pressure背压back pressure启动压力breakout pressure充油压力charge pressure开启压力cracking pressure峰值压力peak pressure运行压力operating pressure耐压试验压力proof pressure冲击压力surge pressure静压力static pressure系统压力system pressure控制压力pilot pressure充气压力precharge pressure吸入压力suction pressure调压偏差override pressure额定压力rated pressure耗气量air consumption泄漏leakage内泄漏internal leakage外泄漏external leakage层流laminar flow紊流turbulent flow气穴（现象）cavitations流量flow rate排量displacement额定流量rated flow供给流量supply flow流量系数flow factor滞环hysterics图形符号graphical symbol液压气动元件图形符号symbols for hydraulic and pneumatic components 流体逻辑元件图形符号symbols for fluid logic devices逻辑功能图形符号symbols for logic functions回路图circuit diagram压力时间图pressure time diagram功能图function diagram循环circle自动循环automatic cycle工作循环working cycle循环速度cycling speed工步phase停止工步dwell phase工作工步working phase快进工步rapid advance phase快退工步rapid return phase频率响应frequency response重复性repeat ability复现性reproducibility漂移drift波动ripple线性度linearity线性区linear region液压锁紧hydraulic lock液压卡紧hydraulic sticking变量泵variable displacement pump泵的控制control of pump齿轮泵gear pump叶片泵vane pump柱塞泵piston pump轴向柱塞泵axial piston pump法兰安装flange mounting底座安装foot mounting液压马达（发动机，电动机）hydraulic motor刚度stiffness中位neutral position零位zero position自由位free position缸cylinder有杆端rod end无杆端rear end外伸行程extend stroke内缩行程retract stroke缓冲cushioning工作行程working stroke负载压力induced pressure输出力force实际输出力actual force单作用缸single-acting cylinder双作用缸double-acting cylinder差动缸differential cylinder伸缩缸telescopic cylinder阀valve底板sub-plate油路块manifold block板式阀sub-plate valve叠加阀sandwich（plate）valve插装阀cartridge valve滑阀slide valve锥阀poppet valve阀芯valve element阀芯位置valve element position单向阀check valve液控单向阀pilot-controlled check valve 梭阀shuttle valve压力控制阀pressure control valve溢流阀pressure relief valve顺序阀sequence valve减压阀pressure reducing valve平衡阀counterbalance valve卸荷阀unloading valve直动式directly operated type先导式pilot-operated type机械控制式mechanically controlled type 手动式manually operated type液控式hydraulic controlled type流量控制阀flow control valve固定节流阀fixed restrictive valve可调节流阀adjustable restrictive valve单向节流阀one-way restrictive valve 调速阀speed regulator valve分流阀flow divider valve集流阀flow-combining valve截止阀shutoff valve球阀global/ball valve针阀needle valve闸阀gate valve膜片阀diaphragm valve蝶阀butterfly valve噪声等级noise level放大器amplifier模拟放大器analogue amplifier数字放大器digital amplifier传感器sensor阈值threshold(开始、开端、极限) 伺服阀servo valve四通阀four-way valve喷嘴挡板nozzle flapper液压放大器hydraulic amplifier颤振dither阀极性valve polarity流量增益flow gain对称度symmetry流量极限flow limit零位内泄漏null(quiescent) leakage 遮盖lap零遮盖zero lap正遮盖over lap负遮盖under lap开口opening零偏null bias零漂null drift阀压降valve pressure drop分辨率resolution频率响应frequency response幅值比amplitude(振幅) ratio传递函数transfer function管路flow line硬管rigid tube软管flexible hose工作管路working line回油管路return line补液管路replenishing line控制管路pilot line泄油管路drain line放气管路bleed line接头fitting；connection焊接式接头welded fitting扩口式接头flared fitting快换接头quick release coupling法兰接头flange connection弯头elbow异径接头reducer fitting流道flow pass油口port闭式油箱sealed reservoir油箱容量reservoir fluid capacity气囊式蓄能器bladder accumulator空气污染air contamination固体颗粒污染solid contamination液体污染liquid contamination空气过滤器air filter油雾气lubricator热交换器heat exchanger冷却器cooler加热器heater温度控制器thermostat消声器silencer双筒过滤器duplex filter过滤器压降filter pressure drop有效过滤面积effective filtration area公称过滤精度nominal filtration rating压溃压力collapse pressure填料密封packing seal机械密封mechanical seal径向密封radial seal旋转密封rotary seal活塞密封piston seal活塞杆密封rod seal防尘圈密封wiper seal；scraper组合垫圈bonded washer复合密封件composite seal弹性密封件elastomer seal丁腈橡胶nitrile butadiene rubber；NBR聚四氟乙烯Polytetrafluoroethylene；PTFE 优先控制override control压力表pressure gauge压力传感器electrical pressure transducer压差计differential pressure instrument液位计liquid level measuring instrument仿形圆盘follower plate随动阀follower valve末道漆finish膨胀环energizer挠性导向轴承flexible guide bearings同心环concentricity ring修枝剪pruning shears系数coefficient刮垢环, 清洁环wiper ring轴肩挡圈shoulder ring护圈密封retainer seal困难运行条件severe service conditions外层（case）：金属合金的表面或外层The surface or outer layer of a metal alloy. 往复式密封reciprocating sealreduction gear 减速齿轮、减速装置reduction ratio 减速比redundant...seal 旋转式密封rotor 转子rotor with several masses 多质量转子round belt 圆带round belt drive 圆带传动双向密封橡胶密封圈Reciprocating rubber seals直螺纹, 圆筒形螺纹straight thread垫圈, 衬垫gasket轮毂boss配件，零件fitting关节轴承oscillating bearing。