爆破后必须经过（ ）通风排烟后，检查人员方可进入工作面，检查有无“盲炮”及可疑现象。

A.隧道内反坡排水方案应根据距离、坡度、水量和设备情况确定，抽水机排水能力应大于排水量的10%，并应有备用台数
B.隧道内顺坡排水沟断面应满足隧道排水需要
C.膨胀岩、土质地层，围岩松软地段应铺砌水沟或用管槽排水
D.遇渗漏水面积或水量突然增加，应立即停止施工，人员撤至安全地点

sser / ice cream / painkiller / training / relieved / painful / Facebook You can make a toothache better with this: _______1_______ An arrangement to see somebody at an agreed time and place: _______2_______ The person you go to get your haircut:________3______ The process of learning skills for a job or an activity:_______4________ Feeling relaxed and no longer worried about something:_________5_______ When a part of your body hurts:______6_________ A person who can help you if you have problems with your teeth:_______7________ Can be had or taken:________8_______ A site on the Internet where you can chat to friends and post news and photo:_______9_______ To decide not to do something that was planned:_______10________ A sweet, frozen food:______11______ To talk to somebody:______12________