Apply pipe dope sparingly on pipe threads, never on valve threads.
在管道螺纹上涂敷螺纹油，但是不要在阀门螺纹上涂螺纹油。
Apply pipe dope sparingly on pipe threads, never on valve threads.
阀杆上的短梯形螺纹适用于快速启闭操作。
The Floormen apply proper pipe dope into the thread box of the pipe joint.
钻工用合适的丝扣油涂抹接头母扣。
As the sulzer mixer (160) is superior in dividing the flow, the additive is uniformly dispersed in a dope pipe (152).
由于萨尔泽式混合器(160)在分离流的方面较佳，因此添加剂可在涂料管道(152)中可均匀地分散开。
As the sulzer mixer (160) is superior in dividing the flow, the additive is uniformly dispersed in a dope pipe (152).
由于萨尔泽式混合器(160)在分离流的方面较佳，因此添加剂可在涂料管道(152)中可均匀地分散开。
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