The source of pipe line secondary stress check condition is the stability condition.

管道二次应力校核条件来源于结构的安定性条件。

youdao

Could you check the Internet for sources of secondary data?

你能上网核实一下这些二手资料的来源吗？

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Or check that the secondary wiring is correct?

否则，就要检查二次接线是否正确了？

youdao

Or check that the secondary wiring is correct?

否则，就要检查二次接线是否正确了？

youdao