英语语法分析

The resistivity and flexivity of the resistance thermostat metal change while the anneal process change.

当退火工艺变化时，电阻系列热双金属的电阻率和温曲率等主要性能将产生变化。

Through the calculation on flexivity of drag-chainand length of chain curve, set screw-pulling instrumentneeds to be adaptedto suitable period.

通过对牵引链的挠度和链曲线长的计算，确定链传动需要调整的适当时期。