key valve是什么意思

中文翻译楔阀

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

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