碱性焊条的烘干温度通常为______。A.75~150℃ B.250~350℃ C. 发布时间:2017-12-10 18:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 碱性焊条的烘干温度通常为______。A.75~150℃B.250~350℃C.350~400℃D.450~500℃
题型:单项选择题 These samples are not ______ the specifications you prescribed.A.up toB.intoC.according toD.instead of 查看答案