密封罩用组件。第4部分：通风和气体清洁系统(如，过滤器和疏水阀)的安全和规定。阀门、控制和保护装置。
Components for containment enclosures - Part 4: Ventilation and gas-cleaning systems such as filters, traps, safety and regulation valves, control and protection devices.
采用进口燃烧机，智能化控制，具有自动吹扫，电子自动点火，自动燃烧，风、油(气)自动比例调节和熄火保护装置。
Adopt imported combustion machines, intelligent control, with automatic purging, electronic automatic ignition, automatic combustion, wind, oil (gas) automatic proportional adjustment and the saver.
一种涡轮增压器保护装置，它包括油缸体11、油缸盖12、活塞2、单 向进油阀3和活塞控制装置；
A turbine supercharger protector is provided, which comprises an oil cylinder body 11, an oil cylinder cover 12, a piston 2, a single filling valve 3 and a piston control device.
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