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【多选题】
船体钢料加工是指将钢板和型材加工为船体构件的工艺过程,包括( )A.
构件的边缘加工
B.
构件的成形加工
C.
钢材预处理
D.
放样与号料
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皮皮学刷刷变学霸
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【单选题】钢筋电渣压力焊接头成型不美观的原因主要是( )或钢筋端面不够平整或引弧铁丝 圈安放不正。
A.
焊接电流大，实际钢筋熔化量少
B.
焊接电流小，实际钢筋熔化量少
C.
焊接电流大，实际钢筋熔化量大
D.
焊接电流小，实际钢筋熔化量大
【简答题】无菌包内物品一次末用完,则按原折痕包好,有效期为( )小时;铺好的无菌盘有效期为( )小时;已开启的瓶内溶液,可保存时间是( )小时。
【简答题】What are the three most common metal crystal structures? List three metals that have each of these crystal structures.
【多选题】The idea of self-government is in the first three words of the Constitution. What are these three words?
A.
America
B.
The
C.
People
D.
We
【简答题】气相色谱仪的心脏是
【单选题】What are these three fields in “Devouring Music: Ruminations of a Composer Who Cooks” by Professor Hamlin?
A.
music, cooking and interdisciplinary writing
B.
music, cooking and creative writing
C.
composition, cooking and creative writing
D.
composition, cooking and interdisciplinary writing
【简答题】Every variable has at least three items associated with it. What are these items?
【简答题】How many parts are included in these three posters and what are they?
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