Our country produces not only coal , but also iron . 我们县不光出煤,而且出铁。
If the coal doesn't come out, there will be no food for the families . 如果矿里不出煤,就不发粮食给家属。
Coals are removed from circular seam of silo so that material section is increased and silo coal blockage is reduced 采用环式缝隙出煤,增加物料出口截面,改善筒仓蓬煤堵煤现象。
Abstract : based on the test of the electric potential determining the coal dressing wastewater , the structure of the colloid particles of the wastewater can be concluded 文摘:通过对煤泥水动电电位的测试,推断出煤泥水的胶粒结构。
This paper analyzes on the influence of the variation in thickness of coal seam and the supporting method on the coal quality , and based on this , advances some measures for reducing the gangue production to improve the coal quality on the tunneling faces 分析了煤层厚度变化和支护方式对煤质的影响,在此基础上提出了若干减少出矸以提高掘进工作面出煤质量的措施。
出煤量: coal output; landings出煤立井: landing shaft出煤竖井: coal shaft放出煤气: resurgent gas非出煤班: back shift漏出煤气: an escape of gas输出煤气: export gas剥离后露出煤层: berm我们县不光出煤而且出铁: our country produces not only coal but iron出梅花牌: play a club出梅: (黄梅季结束) setout of plum rains; setout of mold rains出毛不发生故障,走错路: go wrong出没: appear and disappear; come and go; haunt 川西的王朗自然保护区是大熊猫出没的地方。 the wanglang preserve in western sichuan is the haunt of the giant panda. 据说那座老宅子有鬼魂出没。 people say ghosts haunt that old house出毛病的: blooie出没磁方位幅角: magnetic amplitude出毛病,发生故障: out of order(=in bad condition); out of&nb sp;order(=in bad condition)