Back rest system of loom is the main equipment of controlling the warp tension and sheld location. 喷气织机后梁系统是控制经纱张力和梭口位置的重要装置。
Comparing with the single back rest system, the double's is much more steadibily. 比较后得出双后梁系统较单后梁系统稳定。
Add a fixed roll based on the single back rest system, forming a double back rest system, then analysis. 并在此单后梁系统基础上,加设一固定后梁,组成双后梁系统,对其进行分析计算。
The field produced by the electric charge moving relatively to the rest system of reference is discussed from the viewpoint of Special relativity. 根据狭义相对论,讨论相对于静止参照系运动的源电荷在空间产生的电场。
Power plant staff work and rest system was introduced in the chapter. 本章对电厂工作人员作息制度进行了介绍。