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spring-return directional valve
meaning in English
弹簧复位的换向阀
Related Words
directional cosine
directional differentiation
directional wattmeter
directional drainage
directional trim
directional source
directional bit
directional stimuli
directional gyrocompass
directional testing
spring-return actuator
spring-return button
spring-return piston
spring-return switch
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