As air distributor in a variable air volume system, the performance of slot diffuser is the best one, but the type of diffuser is too expensive, so at home many firms try to choose square diffuser.

条缝形散流器作为变风量系统的空气分布器其性能是最好的，但这种条缝形散流器过于昂贵，故国内许多公司选择采用方形散流器。

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The bituminous spraying volume is an important controlling index for asphalt distributor. Proper driving method of spraying system will improve the distributing accuracy.

沥青洒布量是沥青洒布车的重要控制指标，采用合适的驱动方式对于提高洒布精度具有重要意义。

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