... 阀导杆 valve-stem guide 阀导柱 lead of valve 阀道流动阻力 valve passage resistance ...
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导阀柱塞 pilot plunger
止回阀柱塞导座 check-valve plunger guide ; valve plunger guide
液压先导阀柱塞 hydraulic pilot valve plunger
先导阀柱塞补偿阀面 pilot valve plunger compensation land
先导阀柱塞 pilot valve plunger
先导阀柱塞的运动 pilot valve plunger movement
先导阀柱塞控制位置 pilot valve plunger control position
速度设定先导阀柱塞 speed setting pilot valve plunger
球头导阀柱塞 ballhead pilot valve plunger
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