hot and cold tank process
hot and cold tank process
冷热罐工艺
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In the process of cleaning, after the discharged dirty hot water enters into a backwater tank, the hot water can preheat the cold water in a preheating tube and the residual heat is fully utilized.
清洗中所排出的污热水进入回水箱后，可对预热管内的冷水进行预热，能充分地利用余热。
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