适当地降低高温下纤维的张力，为高分子链段的运动提供了活动空间，有利于高弹形变的松弛。

Reducing the tension upon the fiber under high temperature to provide enough movement space for polyester segments, which is beneficial to the relaxation of high elastic strain.

youdao

我们曾在福建尝试让老虎恢复天性，但没有成功，因为福建缺乏一条完整的食物链，而且老虎的活动空间也有限。

We tried in Fujian Province, but it was not successful as there was not a complete eco-chain and there was a lack of space.

youdao

我们曾在福建尝试让老虎恢复天性，但没有成功，因为福建缺乏一条完整的食物链，而且老虎的活动空间也有限。

We tried in Fujian Province, but it was not successful as there was not a complete eco-chain and there was a lack of space.

youdao