Drill pipe threads are not cleaned in that way.

钻杆丝扣不是那样清洗的。

youdao

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。

youdao

If the drill pipe threads become rusty, rust will have to be cleaned.

如果钻杆丝扣生锈，必须清除掉。

youdao

Put a thousand of these threads in one pipe, and, as Everett Dirksen might have said, soon you're talking real bandwidth.

FORBES: Digital Rules