key valve
基本释义:
楔阀
网络释义
1)key valve,楔阀
2)wedge gate valve,楔式闸阀
3)wedge action valve,楔形闸阀
4)wedge type slide valve,楔形滑阀
5)wedge valve,楔形阀
6)wedge valve,楔式阀
用法和例句
The analysis and control of prism-angle error on seating faces of wedge gate valve;
楔式闸阀密封面棱角误差的分析及其控制
Replaceable packing with pressure inside screw nonrising stem type wedge gate valve;
暗杆楔式闸阀阀杆密封结构改进
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