The body screw back into place, gently open the little front-end ball valve, using compressed air to the drainage system of impurities, water, oil draining;
将阀体拧回原位，前端球阀轻轻打开一点，用压缩空气将排水系统内的杂质、水油排空；
The location of the filling device should assure that the oiling operation is safe and reliable, and the technical parameters of draining device should assure the oil draining effect.
注油装置的设置方位须保证注油操作的安全、可靠，排油装置的技术参数须确保排油的效果。
In most cases, extracting oil involves chopping down the forest that blankets the region, draining the boggy ground, stripping off the topsoil and literally digging up the oily sand below.
在大多数情况下，要从油沙中提炼出石油需要先把覆盖该地区的森林砍掉，排干地面的水分，去掉表层土然后当然就是把地下的油沙挖出来。
Oil just got mixed with draining water.
石油与排水混合起来。
Keep a check on it, and put the drain plug back on when the oil has finished draining.
继续检查，并把排水管堵塞时，回到石油已完成排水。
The pollution produced in the process of oil exploitation, refining, transporting and waste oily water draining has become an important resource to soil contamination.
石油的开采、冶炼和运输过程的污染和泄漏及含油废水的排放等已成为土壤污染的重要来源。
The fitting is vertical to allow for free draining with straight run after quench oil injection for good mixing.
急冷器是立式的，以便急冷油注入后经直管自排，以达到良好的混合。
In accordance with HSE requirement, closed draining system connected to the plant waste oil pipes shall be used for level gauges drainage.
根据环保及安全要求，仪表液面计等仪表的排放采用密闭排放方式，接入装置内的污油管道系统。
The utility model can prevent the discharge-orifice steel columns of the upper draining valve cover from cracking, increase the service life of oil-well pumps, and lower oil-production cost.
本实用新型可防止抽油泵在采油过程中上排出阀罩出油孔筋柱裂断，提高抽油泵的使用寿命，降低采油成本。
Microdiffusion of oil droplets to the draining lymph nodes can partly explain this observation.
滴 的微扩散至淋巴节点可以在某种程度上地解释此种观测。
The technical proposal of the invention simplified the draining operation of the collected oil and water for the oil-collecting component of the range hood.
本发明的技术方案，简化了油烟机集油元件对所收集的油和水的排放的操 作。
Cleanout hole series can be set at the cornet from the bottom tank shell course to the bottom of the heavy oil storage tank for cleaning and draining during maintenance.
清扫孔装于重质油罐底部、清扫孔油罐可放出污水扫除内污泥。
Cleanout hole series can be set at the cornet from the bottom tank shell course to the bottom of the heavy oil storage tank for cleaning and draining during maintenance.
清扫孔装于重质油罐底部、清扫孔油罐可放出污水扫除内污泥。
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