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法人成立的条件

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当选择LIFT-DUMP位时()

A. 襟翼放出到75度,减速板放出超过正常位置
B. 襟翼保持在45度,减速板放出超过正常位置,
C. 襟翼和减速板都放出到75度
D. 以上全不正确

In the COURSE_ENROLLMENT form module, you define a master-detail relation between the COURSES_OFFERED data block and the STUDENT data block, respectively. To implement block coordination, which statement must be true?()

A. The Enforce Primary Key property on the STUDENT block is set to Yes.
B. The Alias property on the COURSES_OFFERED block is set to Student.
C. The Copy Value from item property on the foreign key item in the STUDENT blocks is set to the primary key item of the COURSES_OFFERED block.
D. The Synchronize with item property on the foreign key item in the STUDENT block is set to the primary key item of the COURSES_OFFERED block.

临近失速时有何指示?

A. 警告喇叭
B. 抖杆
C. 前推操纵杆
D. B和C

外锁闭装置两牵引点间密贴要求为列车运行速度小于160km/h线路上的道岔,两牵引点间尖轨与基本轨间有()及以上间隙,道岔不能接通表示。

A. 4
B. 5
C. 6
D. 10

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