Pipe shall not be allowed to flash rust before coating.

管道不允许再喷涂前闪锈。

youdao

Inadequate flash trim. A condition in which height of weld flash after trimming exceeds the limits set in the API specification to which the pipe was manufactured.

毛刺修正不足。经修整后的焊缝毛刺高度超过API管子制造规范所规定的极限。

youdao

But after an anxious 25 minute wait, the flash igniters set up around the leaking gas pipe failed to go off.

CNN: November 21, 2012 -- Updated 1203 GMT (2003 HKT)