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道槽

网络channel slot

道槽

道槽

channel slot

55???? ... 选道 channel selection 道槽 channel slot 分道器 channel subdivider ...

2

inner su*ce of the bearing is provided with a pressure channel groove structure ;

轴承内表面开设增压流道槽结构；

3

Suction vehicles and high pressure flushers; vehicles for cleaning severs and gullies, vehicles for cleaning pits

抽吸汽车和高压冲洗汽车 .下水道槽及沉泥井清理汽车 .矿井清洁汽车

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