... 防火阀 fire damper 瓶阀 air bottle valve 换向阀 direction valve ...
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Air bottle stop valve 空气瓶截止阀
air bottle valve
空气瓶阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The exterior of the milk loading bottle is provided with an inflating pump. An air pipe of the inflating pump is communicated with the air bag of the milk loading bottle through an air valve.
盛奶瓶外设置有一个打气筒，其气管通过气门嘴与盛奶瓶中的气囊相连通。
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