国内矿山通常把钎头直径为()的接杆凿岩炮孔称为深孔。A、85mm-105mmB、95 发布时间:2019-01-30 22:51 │ 来源:www.tikuol.com 题型:单项选择题 问题: 国内矿山通常把钎头直径为()的接杆凿岩炮孔称为深孔。A、85mm-105mmB、95mm-110mmC、100mm-115mm
题型:单项选择题 For a moment nothing happened.Then ________ all shouting together.A.voices had comeB.came voicesC.voices would comeD.did voices come 查看答案