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【判断题】
作用是施加在结构上的集中分布力(直接作用,也称为荷载),和引起结构外加变形或约束变形的原因(间接作用)。
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【判断题】节点有多条外向箭线或多条内向箭线时,可使用母线法绘制
A.
正确
B.
错误
【简答题】It has been ______ by dead-bolt locks, security chains, electronic alarm systems and trip wires________ a police station or private guard firm. Many _______ families have sliding glass doors on their ...
【简答题】Spot Dictation Directions: Please listen to the recording and fill in the missing words in the following paragraphs. 音频: It has been replaced by dead-bolt locks, security chains, ______ (1) alarm syst...
【判断题】节点有多条外向箭线或多条内向箭线时,可使用母线法绘制
A.
正确
B.
错误
【单选题】下列药物为非麻醉性镇痛药的是
A.
哌替啶
B.
吗啡
C.
喷他佐辛
D.
芬太尼
【简答题】with steel bars ___(4)___ built in
【简答题】It has been ______ by dead-bolt locks, security chains, electronic alarm systems and trip wires________ a police station or private guard firm. Many _______ families have sliding glass doors on their ...
【简答题】Many sub families have sliding glass doors on their patios, with steel bars elegantly built in so no one can pry the doors open.
【单选题】用过渡套筒支撑加工细长轴时,应调整套简( )与主轴旋转轴线相重合。
A.
外圆侧母线
B.
内孔的轴线
C.
外圆的表面
D.
外圆的轴线
【判断题】节点有多条外向箭线或多条内向箭线时,可使用母线法绘制A. 对 B. 错
A.
正确
B.
错误
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