... Sour 防硫 Gate with Hard Face 闸阀 Lifting Sling 带框架和绳套油田橇 ...
基于4个网页-相关网页
gate with hard face
硬面门
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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。
youdao
应用推荐
模块上移
模块下移
不移动