目前国内天井掘进多采用普通掘进法、()、深孔爆破法、牙轮钻机钻进法、爬罐掘进法。
参考答案:吊罐掘进法
Never judge a man by his _____ alone — you might be fooled by what he looks like.
A.appearance
B.character
C.intelligence
D.application
妊娠腹痛的主要证型有()
A.气滞
B.血瘀
C.阴虚
D.血虚
E.虚寒