Loosen screw and drain off excess oil into an oil collection container.

拧松螺钉，并将多余机油排放到机油收集箱中。

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The drain seal boxes are provided for the collection and drainage of condensates, which may form in endangered section of the flue gas ducts.

疏水密封箱具有对凝结水收集和排放功能。这些凝结水在极可能在烟道部分区域里形成危险。

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Images made by ultrasound are used to guide placement of a stent, which is left in the liver to drain bile into the small intestine or a collection bag outside the body.

超声成像被用来指导支架的置入，即通过将支架留在肝脏中来将胆汁排入小肠或者排入体外的一个搜集袋中。

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If the credit card company could, for instance, recover 30% of the outstanding sums owing from a thousand debtors, that would significantly improve their overall collection rate, which we now know hovers somewhere near the bathtub drain of 20%.

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