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 pipe fitting has the advantages of simple manufacturing process, easy control of the heating process of the pipe fitting, longer service life and good welding quality.
该类管件制造工艺过程简单，管件加热过程易于控制，具有较长的使用寿命，焊接质量好。
Welding and fitting platform is one of the key equipments of the bus body welding and fitting line.
焊合台是客车车身焊装过程中的关键设备。
The molten observation hole needle (3) is arranged on the pipe fitting body so that a welding progress can be conveniently detected, and the welding quality can be controlled.
焊接熔观察孔针(3)设置在管件本体上，方便检测焊接进程，控制焊接质量。
The effects of time, temperature and welding line on press fitting should be comprehensively considered to ensure certain transmitted torque to an assembling part.
应全面考虑时间、温度和注塑件上熔合缝对压力装配的影响，确保塑料连接件能传递一定的扭矩。
Through a series of processes such as noise reduction, binary, refinement, smoothness, fitting, and calibration, the relative welding dynamic displacement field could be acquired automatically.
经降噪、二值化、细化、平整、拟合、标定等一系列处理后，即可自动生成相对动态位移场。
Through a series of processes such as noise reduction, binary, refinement, smoothness, fitting, and calibration, the relative welding dynamic displacement field could be acquired automatically.
经降噪、二值化、细化、平整、拟合、标定等一系列处理后，即可自动生成相对动态位移场。
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