气泡尺寸是决定床内情况的一个关键因数。
The bubble size is a significant quantity which determines the conditions in the bed.
气泡尺寸是决定床内情况的一个关键因数。
The bubble size is the one significant quantity which determines the conditions in the bed.
控制技术是影响整流器功率因数的关键因素之一。
One of the key factors of affecting power factor of rectifiers is control technique.
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