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下图所示回路可实行“快进——工进—— 快退 —— 原位停止和液压泵卸荷”的工作循环,完成电磁铁动作顺序表(通电“+”,断电“-”) 第一空填快进时1DT 2DT 3DT 4DT的动作顺序,第二空填工进时 1DT 2DT 3DT 4DT的动作顺序, 第三空填快退时 1DT 2DT 3DT 4DT的动作顺序, 第四空填原位停止泵卸荷时 1DT 2DT 3DT 4DT的动作顺序
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举一反三
【多选题】What are the Chinese Cuisine?
A.
ZheJiang Cuisine
B.
AnHui Cuisine
C.
ShanDong Cuisine
D.
FuJian Cuisine
【单选题】Which cuisine was an important imperial cuisine in the Ming and Qing dynasties?
A.
Sichuan cuisine.
B.
Hunan cuisine.
C.
Shandong cuisine.
D.
Hubei cuisine.
【单选题】每日一题:关于时间的Video.wmv Which movie is the clip from? 该视频片段选择哪部电影?
A.
A Brief Story of Time( 时间简史 )
B.
In Time(时间规划局)
C.
No Time for Nuts( 松鼠,坚果和时间机器 )
【简答题】wmv 1、片段来自哪部电影? 2、片段涉及人力资源管理的哪一模块?
【单选题】Which cuisine is probably the best known Chinese cuisine in the West, especially in the United States?
A.
Guangdong cuisine
B.
Huaiyang cuisine
C.
Sichuan cuisine
D.
northern cuisine
【简答题】Watch a video clip and answer the questions about it. Video Script 1.wmv
【单选题】BCR的VH-DH-JH基因片段组合后编码的产物是
A.
CDR1
B.
CDR2
C.
CDR3
D.
FR1
E.
FR2
【简答题】wmv 1、该片段来自什么电影? 2、片段中涉及到了人力资源管理的哪个模块内容? 3、女主角在片段中进展不顺的原因有哪些?
【单选题】Which cuisine is probably the best known Chinese cuisine in the West, especially in the United States?
A.
Sichuan cuisine
B.
Guangdong cuisine
C.
northern cuisine
D.
Huaiyang cuisine
【单选题】Hubei food is onebranch of ______ A. Yue cuisine B. Hui cuisine C. Xiang cuisine D. Chuan cuisine
A.
Yue cuisine
B.
Hui cuisine
C.
Xiang cuisine
D.
Chuan cuisine
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