皮皮学，免费搜题
登录
搜题
【多选题】
焊接技术员应严格按照（）的规范进行焊接。A.
焊接工艺卡
B.
焊接工艺评定报告
C.
实际焊接条件
D.
焊接试验方法
E.
焊接作业指导书
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】One day a man found a cocoon（茧）of a butterfly in the forest. He sat there for several hours and watched the butterfly. Suddenly a small opening appeared, and the butterfly made its great effort to for...
【单选题】He sat for hours just ________ into space .
A.
expanding
B.
gazing
C.
objecting
D.
lecture
【简答题】“法大于人，法高于权”体现的是()的观念。
【单选题】He sat for hours just _______ into space.
A.
coordinating
B.
gazing
C.
deserving
D.
tempting
【简答题】One day a man found a cocoon(茧) of a butterfly in the forest. He sat there for several hours and watched the butterfly. Suddenly a small opening appeared, and the butterfly made its great effort to fo...
【简答题】听力原文：How many hours can he work a day? How many hours can he work a day? ______ hours.
【单选题】闸门按门叶的结构形式分为( )。
A.
木闸门、弧形闸门、人字闸门
B.
平面闸门、木闸门、人字闸门
C.
平面闸门、弧形闸门、人字闸门
D.
平面闸门、弧形闸门、木闸门
相关题目：
参考解析：
知识点：
题目纠错 0
发布
