题目内容：
自动化仪表工程的高压管道上开孔时，应采用（ ）的方法。
A．气割加工 B．机械加工
C．电弧加工
D．凿子加工
参考答案：
答案解析：
单选题：自动化仪表工程的高压管道上开孔时，应采用（ ）的方法。
- 题目分类：机电工程管理与实务
- 题目类型：单选题
- 查看权限：VIP
B．机械加工
C．电弧加工
D．凿子加工
B．机械加工
C．电弧加工
D．凿子加工
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