... 气-液动装置 Pneumatic-hydraulic actuator 潜水电泵(排污泵) Submerged Motor 切断阀;截止阀shut-stop valve ...
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Submerged Motor Pumps 潜水电泵 ; 潜入水下电泵 ; 排污箱 ; 潜水电
water-submerged motor 潜水型电动机
Submerged Motor Pum 潜水电泵
large-scaled submerged motor pump 大型潜水电泵
submerged glandless motor 潜水无压盖电动机
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