n.预制;配件预先制造;
例句:
1、
The meanings of factory prefabrication of petrochemical pipes were expounded.
阐述了石油化工管道工厂化预制的意义.
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2、
Then the prestress of the piles was adjusted value in prefabrication, and good effect was achieved.
提出适当调整预应力, 能够有效地解决预应力水冲桩桩身裂缝的问题.
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3、
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