Knowledge of basic electrical, welding, cutting and fitting of pipes, principles of hydraulic and air operated equipment.
基础电气知识，电焊，切割，装配管道，熟悉液压和气动设备的基本原理。
The unit comes factory-prepared for onsite installation of architectural brick and electrical, mechanical, and cabinetry fitting.
它源于工厂现场安装建筑用砖及电气，机械和配件时用的。
The designs on fitting structure of solar cell phalanx, grid -connected electrical system and grid -connected entrance system were mainly discussed.
在设计方面主要讨论了：太阳能电池方阵屋顶安装结构系统设计、并网电气系统设计、并网接入系统设计等。
应用推荐