Gate with Hard Face的意思|示意
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Gate with Hard Face的网络常见释义
闸阀 ... Sour 防硫 Gate with Hard Face 闸阀 Lifting Sling 带框架和绳套油田橇 ...
Gate with Hard Face相关例句
During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.
在综采放顶煤工作面顺槽掘进过程中，由于顺槽煤层顶板松动破碎，并且顺槽采用矩形断面，顶板跨距较大，不利于巷道支护。