The BOH area is only accessible to appropriately accredited people. 只有持有相应证件的人员才可以进入工作区。
Corridor the kitchen wants to be working area arrangement on both sides parallel. 走廊型的厨房要将工作区安排在两边平行线上。
Eraluating the mined out area is one of effective and dependable ways for exploring placer gold. 指出以过采区为依据寻找砂金矿可靠性大,风险度小,是行之有效的途径之一。
The results show that this method improves the resolving power of magnetic rock and coal boundary, and outlines the area of magnetic rock intrusion. 这里根据崔庄煤矿三采区的地震资料,综合利用地震反演技术和谱分解技术等岩性解释方法,来确定岩浆岩侵入谋层的范围。