drain oil ; bleed hole
... Hand priming pump手打起动注油泵 Drain oil放油孔 Fuel regulating jet燃油调节喷嘴 ...
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... 放油口盖 defueling panel 放油孔 Drain oil ; oil drain ; bleed hole 放油盆 Drain pan ...
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放油孔塞 PLUG-OIL DRAIN ; drain plug ; OIL DRAIN
放油孔密封垫 GASKET-OIL PLUG
放油孔泄油管 oil drain
油罐放泄孔 tank drain
油缸放气孔 cylinder vent hole
箱体排放回油孔 case drain return port
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在换润滑脂时应用洁净的汽油或煤油仔细清洗滚柱轴承的滚道等部位，清洗时应打开轴承座下的放油孔。
Use position, such as one, etc. Of rolling that clean petrol or kerosene wash the roller bearing carefully while changing the lubricating grease, should open to put the oil-hole pedestal when washing.
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