Valve parts is the main hoist valve and the valve seat.

闸阀的主要启闭零件是阀瓣和阀座。

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Valve body and bonnet are separated by diaphragms in order to prevent valve parts, such as bonnets and steam from corrasion;

阀体与盖被中间隔膜隔开，使得隔膜上方的阀盖，阀杆等零件不受介质侵蚀；

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By laser cladding, the sealing face of the in outlet valve parts in methylamine pump in urea production line has been strengthened.

采用激光熔覆技术对尿素生产线上的甲胺泵进排液阀零件密封面进行强化。

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Spartan was also exporting various magnesium-cast parts (engine valve covers, cam covers, wheel armatures, console brackets, etc.) to Canada, Mexico, Germany, Spain, France, and Japan.

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However, tech news site Ars Technica pointed out that Valve has a patent on a controller with swappable parts.

BBC: Game maker Valve Software recruits hardware experts

But he has already made his own valve radio and is convinced there will be enough British-made component parts for him to make his own mobile phone.

BBC: Can a family survive for a year on British-made goods?