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。
The storage stability of phosphatide powder has been studied under light condition.
文章叙述粉末磷脂在一定条件下的储藏稳定性变化情况。
The storage stability of phosphatide powder has been studied under light condition.
文章叙述粉末磷脂在一定条件下的储藏稳定性变化情况。
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