... non perishable cargo 不易腐坏货物 non return valve 止回阀 Non Reversible Laytime 可用装卸时间不可相互抵补 ...
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Non-return Valve [机] 单向阀 ; [机] 止回阀 ; [机] 逆止阀
ball non-return valve 球形止回阀 ; 单向球阀 ; 球形止逆阀
motorized non-return valve 电动止回阀
outlet non-return valve 出口止回阀
double non-return valve 双向止回阀
isolating non-return valve 隔离止回阀
automatic non-return valve 自动止回阀
storm non-return valve 防暴止回阀
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