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专业英语ppt


adj. 组成的,构成的
adj. 圆柱形的;圆柱体的
n. 成分;组件;元件
vi. 旋转;循环 vt. 使旋转;使转动;使轮流 adj. 辐状的
device [di'vais]
rotary [‘rəutəri] torque [tɔ:k]
n. 装置;策略;图案
adj. 旋转的,转动的;轮流的 转缸式发动机 n. 转矩,扭矩;项圈,金属领圈 n. 旋转式机器;
crankshaft
【机】曲轴
adj. 往复的;交互的;摆动的 n. 往复 v. 往复运动(reciprocate的ing形式);互给;
reciprocating [ri‘siprəkeitiŋ] 报答
crank [kræŋk]
pistons
n. 曲柄;奇想
adj. 易怒的
vt. 装曲
adj. 连接的
【机】活塞 n. 连接;管接头,套管 v. 连接(connect的ing形式)
connecting [kə‘nektiŋ]
via ['vaiə]
delivers couplings
prep. 取道,通过;经由
vt. 交付;发表;递送;释放;给予(打击);给…接生 vi. 实现;传送;履行;投递 n. 投球 n. 联轴器;离合器,磨擦器(coupling的复数);垂综
生词:
shaft n. 拍杆;轴;箭杆;杆状物
在…… bearing [‘bεəriŋ] groove [ɡru:v] 上装杆 n. 轴承;关系;方位;举止 v. 忍受(bear的ing形式) n. 凹槽,槽;最佳状态;惯例 vt. 开槽于 diameter [dai‘æmitə] ring [riŋ] 环形 物 radical [‘rædikəl] vi. 形成沟槽 n. 戒指;铃声,钟声;拳击场 n. 基础;激进分子; v. 使结合; n. 直径,(透镜放大的)倍数 vt. 按铃;包围;敲钟;套住 adj. 激进的;根本的;彻底的 原子团;根数 combined [kəm‘baind] thrust [θrʌst] adj. 结合的;组合的 联合(combine的 过去分词) n. 推力;刺 vt. 插;插入;推挤 vi. 插入;用向某人刺去;猛然或用力推
As a machine component a shaft is commonly a cylindrical bar
that supports and rotates with devices for receiving and delivering
rotary motion and torque. The crankshaft of a reciprocating engines receives its rotary motion from each of the cranks, via the pistons and connecting rod(the slider-crank mechanisms), and delivers it by means of couplings gears, chains ,or belts to the
transmissions, camshaft, pumps, and other devices. The
camshaft, driven by a gear or chain from the crankshaft, has only one valve-actuating mechanisms.
transmission 变速器
In deep-groove ball bearings, the races are approximately one
fourth as deep as the ball diameter. A cross section of the ball
and outer ring of a deep-groove ball bearing is shown in Figure. Although deep-groove ball bearings are designed to carry a radial load, they perform well under a combined radial and thrust load. For this reason. This is the most widely used type of ball bearing.
transmissions camshaft
pumps
n. 泵;脉动(pump的复数);抽运器;无带轻便舞鞋
v. 用泵送;抽动;汲取;盘问(pump的单三形式) receivers n. 接收器;接受者;收信机;收款员,接待者 cam 【机】凸轮
短语
ball bearings 滚珠轴承 cross section 横断面,横切面图
connecting rod
by means of
连杆机构
曲柄滑块机构 阀门驱使机构 凭借,依靠
the slider-crank mechanisms the valve-actuating mechanisms
ball bearings 滚珠轴承
the slider-crank mechanisms 曲柄滑块机构
gears
chains [tʃeinz]
ቤተ መጻሕፍቲ ባይዱn. 齿轮,传动装置(gear的复数形式)
v. 以齿轮连起,安排(gear的单三形式) n. 链条(chain的复数);枷锁;联营企业;缝条 v. 束缚(chain的三单形式);用链条系住
belts
n. 皮带(belt的复数);带子
v. 用皮带等围绕;用带扎牢(belt的单三形式) n. 传动装置,变速器;传递;传送;播送 【机】凸轮轴
vt. 利用;
vi. 按铃;敲钟;回响;成环形
load [ləud]
n. 负载,负荷;工作量;装载量 vt. 使担负;装填
vi. 加载;装载;装货
component [kəm‘pəunənt]
cylindrical [si'lindrikəl] rotate [rəu‘teit, ’rəut-, ‘rəuteit]
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