... hydrocushion type relief valve 液压平衡式安全阀 hydrostatic valve 静水压力阀; 静水压力阀 idle needle valve 怠速针阀 ...
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spring charged hydrostatic valve 静压弹簧阀
hydrostatic relief valve 泄压阀
hydrostatic pressure valve 静水压力阀
rotary-disc hydrostatic testing valve 翻板式水压试验阀
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