单词	back coal
释义	back coal [矿业] 矿自用煤
随便看	emergency shut of valve emergency signal emergency signal alarm emergency signaling emergency signalling emergency signal service message emergency signal transmitter emergency siren emergency situation emergency slaughter emergency slide valve emergency sounding emergency source emergency source of electrical power emergency source of electric power emergency special session emergency special tax emergency speed emergency speed variation emergency spillway emergency sport emergency spray emergency squad emergency stair emergency staircase 买菜求益买贱卖贵买铁思金买静求安买马招兵买马招军乱乱1 乱2 乱3 冷箭冷线冷缩冷缩配合冷罨法冷背冷脆冷脸冷脸子冷色