... quackery n. 庸医的医术；骗子的行为 outlet n. 出口，排放孔；发泄的方法；销路；电源插座；批发商店 paradox n. 似非而是的论点；悖论，反论；自相矛盾的人或事 ...
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对热交换器的内部结构进行详细检查，特别是排放孔区域。
Carefully examine the internal structure of the heat exchanger, specially the area with the drain holes.
确认这些区域没有腐蚀、裂纹、排放孔堵塞及其它杂物。如有必要进行清洁。
Make sure that this area has no corrosion, cracks, blocked drain holes, unwanted objects. Clean, if necessary.
在横向构件上应提供适当的排放孔和透气孔，底部区域的扇形孔的半径应不小于100 mm。
Suitable drain holes and air holes to be provided on transverse structural members. The scallops in bottom area to be not less than 100mm radius.
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