These materials can not be pretensioned to avoid the slack condition resulting from asymmetrical loadings.

这些材料不能预加应力以免除由于非对称载荷所产生的松弛。

youdao

These materials can not be pretensioned to avoid the slack condition resulting from asymmetrical loadings.

这些材料不能预加应力以免除由于非对称载荷所产生的松弛。

youdao