横滨郊区的一家面馆对面,寺村久佳的小店看起来和遍布在这个港口城市中的其他小旅馆没什么差别。
Across from a noodle shop in a Yokohama suburb, Hisayoshi Teramura's inn looks much like any other small lodging that dots the port city.
寺河矿综采工作面巷道采用顺序开采的回采方式。选用7200/23/38 A型垛式支架对巷道进行超前支护,实践中提出了支护过程中存在的几点问题并提出了改进意见。
Sequential mining is utilized in the fully-mechanized face in Sihe mine. 7200/23/38A chock support is used in entry, some problems on its usage and related improvement opinions are put foreward.
结合寺河矿2301、3302、 3301工作面应用三进两回偏Y型通风方式,取得良好效果,上隅角瓦斯始终处于受控状态。
The application of three-down-two-up and inclined to Y type ventilation in work surface 2301, 3302, 3301 of Sihe mine has got good effects and the up corner gas is under control.
应用推荐