NPT-non productive time. zero throttle interlock 零位给定互锁。micro switch throttle 微开关. bus bar cabinet 母排柜. infra-red heat gun. distortion 失真. winding temperature 绕组温度. foam line, bell nipple=mud riser 钟形短节, POP line 放喷管线, plugvalve旋塞阀
