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【多选题】
根据GB/T 324--2008《焊缝符号表示法》,焊缝符号一般由基本符号与指引线组成,必要时可以加上 等。A.
质量标准
B.
辅助符号
C.
焊缝尺寸符号
D.
补充符号
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反馈参考答案：
举一反三
【简答题】駅からお電話を 1 、お迎えに 2 .
【简答题】The computer does not work properly. I think it needs (repair)______.
【简答题】How does the fuel oil viscosity regulator work?
【简答题】BCS 理论认为超导体的零电阻是由于超导体中存在
【单选题】The work fuel does in each working cycle can be obtained by taking the _____.
A.
precautions
B.
rpm
C.
indicator cards
D.
B and C
【简答题】The computer does not seem to work well, and I think it needs ______ (repair) .
【单选题】Jack，please help me the picture on the wall.
A.
put off
B.
put up
C.
put into
D.
put on
【简答题】The watch does not seem to work. I think it needs ( repair ) ______.
【单选题】Please help put the wounded man in the ________ and get him into the ambulance.
A.
bed
B.
device
C.
stretcher
D.
wheel
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