When the two sockets are spaced apart, the bellows expansion joint is in the rest (non-stressed) position.

当两个插座的间距外，波纹膨胀节的休息(非，强调)的立场。

youdao

When the two sockets are spaced apart, the bellows expansion joint is in the rest (non-stressed) position.

当两个插座的间距外，波纹膨胀节的休息(非，强调)的立场。

youdao