The girl is waisting over 女孩腰身毕现
waisting cupola 卡腰冲天炉
waisting crack 拦腰裂开
localized waisting 局部凹入
T Waisting my time 传统金属
I'm waisting my time, I got nothing to do.
我荒废着我的时间我无所事事。
The local thinning is called waisting or necking.
这种局部变薄现象叫做腰缩或颈缩。
When a ductile material is tested, the reduction in cross-sectional area due to waisting causes an increased stress without an increased force, to ensure that extension proceeds uniformly.
当韧性材料被测试时，由于颈缩使横载截面面积减小，以至在受力没有增加的情况下引起应力的增加，以保证延伸继续如常进行。
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