PSSRpre-startup safety reviewPI proforma invoiceB/L bill of ladingL/C letter of creditBTW by the wayREF 参考DRG NO. 图号pn part numbermfr manufacturerMGW=MAXIMUM GROSS WHEIGH 最大毛重Ccw 逆时针Cw 顺时针Plz don't mislead others, N/A means not applicableW/O --- withoutECR: ENGEERING CHANGE REQUIREMENT 工程更改要求ECN: ENGEERING CHANGE NOTE 工程更改通知MPD--maximum pressure differential全压差NDE--non-desructive testing无损检测PWHT--post-weld heat treatment焊后热处理MT--magnetic-particle testing磁粉探伤NPS--norminal pipe size公称管径DBB--double-block-and-bleed双切断和排放DN--norminal size/diameter公称通径PN--norminal pressure公称压力Pls=pleaseERP=Emergency respond procedureEIP=Energy Isolation procedureMOC=management of changeSWP=safty work permitAU=asset utilizePMD=performance management databaseU.O.N: unless otherwise notedOSHA: occupational safety and health ActCARB: California Air Resources BoardFEL: family emission limitGVW: gross vehicle weightTEU: twenty-foot equipment unitsMHE: material handling equipmentFSV: wide visible full-free lift three-stage mastCBU: completely built upCKD: completely knocked-downHAV: hand-arm vibrationOBD: on board diagnostics systemSCRTHD: screw threada.m.====>above mentionb.m.====>below mentionS/C short circuit 短路SWI standard work instruction 标准操作规范N/A，N.A. not applicable 或not availible 此处不适用，无意义，此处无相关内容; 在填写表格时相当于我们写“无”或用斜杠“/”划去空格。

P.S .：PS代表：1 PS指postscript，“备注，注”的意思；2 PS指Photoshop，一种有名的专业图像处理软件，几乎所有的广告公司，平面设计公司都用；3 PS指索尼公司的游戏机play station，它的后续版本有PS2、PSP、PS3；4 PS指Political Science，即“政治科学”，是科学的一个分支；5 PS指Polystyrene，即一种热塑性合成树脂，最大的应用领域是电子/电器行业……P.s.=postscript P.s.就是附言的意思O/D外径I/D 内径BOP ：blowout preventer 防喷器（石油）ESP ：electric submersible pump 电动潜油泵PDC ：polycrystalline diamound compact 聚晶金刚石复合片OCTG：oil country tubular goods 专用管材NOS ：nominal size公称尺寸MOQ = minimum order quantityNDT non-destructive testingUT ultrasonic testingRT ray testingMT magnetic testingPT penetration testingSP. -> spessoreSCAR supplier corrective action request 这是客户针对供应商产品质量提出的改进要求CAR corrective action report 这是供应商改进后向客户提交的报告RMN rejected material notice 退货通知单RMA rejected material authorization退货确认单FPY First past yield 首检通过率MC Mill CertificateOD Out dimensionID inner dimensionWT wall thicknessECT Eddy current test+DFT：小端-DFT：大端T.ε.T.：形位公差UNF:细牙UNC：粗牙hole thro：通孔REV：版本SCC——stress corrosion crackingSSC——Sulfide Stress CrackingHIC——hydrogen induce CrackingSSR——slow strain ratePREN——pitting resistance quivalent numberHAZ——heat-affected zoneCRA——Corrosion Resistant AlloyOCTG's——Oil Country Tubular GoodsNPS norminal pipe sideWPS welding procedural sheduleAPI american petroleum instituteASME (AMERICAN SOCIETY OF MECHANICAL ENGINEERS) ASTM(AMERICAN SOCIETY FOR TESTING AND MATERIALS) API(AMERICAN PETROLEUM INSTITUTE)BOP(BLOW OUT PREVENTER)ANSI(AMERICAN NATIONAL STANDARD INSTITUTE)NACE(National Association of Corrosion Engineers)AISI (American Iron and Steel Institute )JIS (Japanese Industrial Standards)C.S. commercial standard 商用标准EQ. equispaced 均布PT. part 零件REF. reference 参考尺寸RTS----Ready To ShipECD-----Expected Complete DateTTL-----TotalECA-------Expected Arriving DateBMW-----Big Mouth WomanL/C is Letter of Credit 信用证T/T is Telegraphic Transfer 电汇L/T is Lead time 交货期M/T is Mail transfer 信汇D/D is Remittance by banker's demand draft 票汇D/P is Documents against payment 付款交单D/A is Documents against acceptance 承兑交单Try our best to make anything, thank you信函：ASAP: as soon as possiblePLS: pleaseFYI. for your informationBrgds: Best RegardsP.S: =postscript = by the way=B.T.WCO. company图纸：ASSY: assemblyDRG: drawingSHT: SHEETHT: heat treatmentN.T.S :N/A:REF: refrenceAS REQ: as requireQTY: QuantitySS: stainless steelTHD: thread新品首次量测报告First Article Inspection Report标准作业程序SOP: (Standard Operation Procedure): FMEA 失效模式与效应分析Failure Mode and Effects Analysis PPAP 生产件批准程序Production part approval process MSA 量测系统分析Measurement Systems analysisP/O（订单）Purchase OrderEMS electronic manufacturing serviceCM:contract manufactuerODM:Original Design manufactuerOEM:Original Equipment manufactuer。