大型机电安装项目焊接质量事故案例中事故分析不属于焊接设备原因的是()。 A.设备质量 发布时间:2019-02-04 01:53 │ 来源:www.tikuol.com 题型:单项选择题 问题: 大型机电安装项目焊接质量事故案例中事故分析不属于焊接设备原因的是()。A.设备质量B.空气湿度C.接线方式D.焊机功率
题型:单项选择题 It was in this garden of his old house ______ he grew up ______ he dug out a pot of gold.A. that; that B. where; where C. where; that D. that; where 查看答案
题型:单项选择题 Not in the mood for talking, he kept his friends _______.A.in the distanceB.far awayC.at a distanceD.a distance away 查看答案