Vacuum dust collection system is system of high negative pressure and low air flow.
简介：真空吸尘系统，是一种高负压、低流量的除尘系统的统称。
Vacuum dust collection system is system of high negative pressure and low air flow.
真空吸尘系统，是一种高负压、低流量的除尘系统的统称。
Gentle vacuum mimics baby's Suckling for steady milk flow.
温顺真空模拟婴儿哺乳，带来波动流量。
Gentle vacuum mimics baby's Suckling for steady milk flow.
温顺真空模拟婴儿哺乳，带来波动流量。
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