backset bedding 后积层层理
backset hike 挫折 ; 倒退
tennis backset 网球回流
backset t 倒退 ; 逆流
backset boil 逆涡流
Resisting the balance backset current boiling point the ones that reduce and brake oil volatilize effectively.
搞平衡回流沸点，有效减少刹车油的挥发。
Resisting the balance backset current boiling point , the ones that reduce and brake oil volatilize effectively.
搞平衡回流沸点，有效减少刹车油的挥发。
The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis.
首先基于风机噪声理论的分析确定了影响风机噪声源的主要因素是旋转噪声和涡流噪声。
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