quantity of total excretion是什么意思 quantity of total excretion怎么读
quantity of total excretion的相关资料
quantity of total excretion的用法和样例
- The amount of the industrial dust is rather large.
工业粉尘排放量很大。 - Total emissions of smoke in the air have fallen considerably.
空气中烟雾的排放量已经大大下降。
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