莱主演的电影列表(第81页)-扫影网-扫遍天下好电... ... 风雨送魂归(The soul's return in the storm) 迎春曲(A Spring Melody) 欲海潮(Lust Tide) ...
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So the control of the welding parameter such as welding pressure, gas flux, upsetting length is realized, and the system has a high dynamic response rapid and a high control precision.
从而成功地实现了对气压焊的焊接压力、气体流量、顶锻位移量等焊接过程参数的控制，并使控制系统具有较快的动态响应速度和较高的控制精度。
Holding other license such as mechanical work, welding, pressure vessel, etc is preferred.
持有别的证书如机械、电焊、压力容器证书是优先的。
For such critical structures as boilers and pressure containers, complete welding joint is required.
锅炉及压力容器等重要结构的焊接，要求接头完全连接。
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