drain oil meaning in English

放油孔

Test method for rotational viscosity of heavy duty diesel drain oils at 100 c
重型柴油排放油在100时旋转粘度的试验方法
Standard test method for rotational viscosity of heavy duty diesel drain oils at 100 c
100 ?时放出的重型柴油滑油旋转粘度的标准试验方法
Heat 1 tbsp oil . saute 2 slices ginger with golden thread for 5 mins over medium heat . take out and drain oil
1汤匙油下镬烧滚，炒香2片姜，以中火煎红衫鱼5分钟，取出，沥油。
Copper or aluminium conductor paper - insulated power cables with rated voltages up to 35kv - part 2 : non - draining oil impregnated paper - insulated matal - sheathed power cables
额定电压35kv及以下铜芯铝芯纸绝缘电力电缆第2部分:不滴流油浸纸绝缘金属套电力电缆