单选题:The writer seems to think that the teacher's judgement on th 题目分类:公共英语四级 题目类型:单选题 查看权限:VIP 题目内容: The writer seems to think that the teacher's judgement on that sensitive piece of writing is 参考答案: 答案解析:
承重钢结构采用人工电弧焊焊接时,选择的焊条型号应与主体结构金属的力学性能相适应,下列哪一种类型的焊条选择不当? 承重钢结构采用人工电弧焊焊接时,选择的焊条型号应与主体结构金属的力学性能相适应,下列哪一种类型的焊条选择不当? 分类:公共英语四级 题型:单选题 查看答案