When the elevator hoists up, certainly must guarantee in the rope tube to retain 3 at least the steel wire, prevents the steel wire stress to fall off oversized from the rope tube.
在提升机起吊时，一定要确保绳筒上至少保留3圈钢丝绳，防止钢丝绳受力过大从绳筒上脱落。
Simulation results show that free surfaces of nano wire lead to initial stress without external load, and damage expands from outmost surfaces deep into interior lattices.
模拟表明纳米金属丝在无外载荷状态存在本征应力，原子缺陷从自由表面开始向内部扩展。
Residual stress is produced inevitably in steel wire in the course of drawing, which may affect products quality as the stress is strong.
钢丝在拉拔过程中不可避免地会产生残余应力，严重时会影响产品的质量。
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