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【多选题】
履带起重机的主要技术参数包括()。A.
主臂工况
B.
副臂工况
C.
工作速度数据
D.
发动机参数
E.
结构质量
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皮皮学刷刷变学霸
举一反三
【单选题】The Angles and ______ are the ancestors of the English people today.
A.
Vikings
B.
Celts
C.
Romans
D.
Saxons
【多选题】开展行动研究时，我们需要注意的是（）
A.
预诊时在学校工作中坚持用分析和评判的眼光对待每一个看似平常的问题
B.
即使在初步研究阶段反馈的信息与总体计划向偏离，原来的总体计划不应该做出修改
C.
行动时要边执行、边评价、边修改
D.
由研究人员、教师和教育行政人员共同参与
【简答题】根据昆虫幼虫足式不同,幼虫可分为( )、( )、( )三个类型。
【单选题】[7-52]GM cannot be used as an indicator of stability at all angles of inclination because ___.
A.
G is not fixed at large angles G
B.
there is no G at large angles G
C.
there is no M at large angles M
D.
M is not fixed at large angles M
【单选题】GM cannot be used as an indicator of stability at all angles of inclination because ______.
A.
M is not fixed at large angles
B.
there is no M at large angles
C.
G is not fixed at large angles
D.
there is no G at large angles
【单选题】GM cannot be used as an indicator of stability at all angles of inclination because _____.
A.
G is not fixed at large angles
B.
there is no G at large angles
C.
there is no M at large angles
D.
M is not fixed at large angles
【多选题】开展行动研究时,我们需要注意的是()
A.
坚持用分析和评判的眼光对待每一个看似平常的问题
B.
即使在初步研究阶段反馈的信息与总体计划向偏离，原来的总体计划不应该做出修改
C.
行动时要边执行、边评价、边修改
D.
由研究人员、教师和教育行政人员共同参与
【简答题】When the sum of two angles is 90° those two angles are angles.
【单选题】GM cannot be used as an indicator of stability at all angles of inclination because（）.
A.
M is not fixed at large angle
B.
there is no M at large angles
C.
G is not fixed at large angles
D.
there is no G at large angles
【简答题】When the sum of two angles is 180° those two angles are angles.
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