... oil drain line 疏油管线，排油管线 oil drain valve 放油阀 oil drilling waste 石油钻井废液 ...
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oil drain valve at star-up 起动排油阀
oil drain valve plug 排油阀塞
oil filter housing drain valve 滤油器壳体排油阀
valve oil drain 放油阀
hydraulic oil tank drain valve 液压油箱排油阀
Residual oil can be drained via valve at the rear of gear reducer and oil drain valve in thrust bearing oil sump.
残油的排放可由减速机尾部的阀门和推力轴承油池的放油阀门来进行。
The method using movable metal baffle and control valve near water sealed well to block the drain of oil tank group is unreliable and it will widen flowing fire area.
用活动金属挡板及水封井附加控制阀门封闭油罐组排水沟的方法既不可靠又会使流淌火面积扩大。
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