Distribution medium for the latter two ball and change the flow of media.
后两种球阀用于分配介质与改变介质的流向。
Modern long range education; Flow a medium technique; Multimedia data; Agreement.
现代远程教育；流媒体技术；多媒体数据；协议。
The oil medium flow standard devices are analyzed in this paper.
本文对油介质流量标准装置进行了分析。
But the variance of medium flow rate may affect the stability of check valve.
但介质流量的变化会给止回阀的稳定性带来影响。
Pay attention to the flow direction of medium marked on the body.
安装时请注意闸门 本体上标明介质流向。
Pay attention to the flow direction of medium marked on the body.
安装时请注意闸门 本体上标明介质流向。
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