... field protective relay 场保护继电器 field pump 野外用泵 field recording filter 野外记录滤波器 ...
基于66个网页-相关网页
oil field pump 油田泵
rotating-field pump 旋转磁场泵
pump field 抽运场
water-flooding pump for oil field 油田注水泵
pump motor field 泵电机磁场
squeezing of pump field 抽运场压缩
rotating-field electromagnetic pump 旋转场电磁泵
pump motor shunt field 泵电机并励磁场
oil field screw pump 油田螺杆泵
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