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【多选题】
关于圆柱螺旋压缩弹簧的规定画法的说法正确的是（ ）
A.
在的视图上各圈的外轮廓线画成直线。
B.
右旋弹簧在图上一定画。弹簧允许画，但不论画或，一律要加注 “ 左 ” 字。
C.
有效圈数在 4 圈以上时，可只画两端的 1~2 圈，中间各圈可省略不画，同时可适当缩短图形的长度。
D.
在装配图中，弹簧后面的机件按不可见处理，可见轮廓线只画到弹簧钢丝的剖面轮廓或中心线上。
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举一反三
【单选题】If no gaskets are used in the piping joints of a Freon system, the joints must be（）
A.
finished joints
B.
welded joints
C.
ground joints
D.
soldered joints
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【单选题】According to the article, why should building joints be agile?
A.
Such joints are cheap.
B.
Such joints make buildings flexible and moveable.
C.
Such joints are concrete frames.
D.
Such joints make the buildings rigid.
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【判断题】仲裁协议有两种形式，即仲裁条款和提交仲裁的协议。两种形式虽不同，但其法律作用与效力是相同的。(    )
A.
正确
B.
错误
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【单选题】U-joints in the shaft accommodate any angular variations between the steering shaft and the______ .
A.
reservoir
B.
drag link
C.
pitman arm
D.
steering gear input shaft
查看完整题目与答案
【判断题】仲裁协议有两种形式,即仲裁条款和提交仲裁的协议。两种形式不同,其法律作用与效力也是不相同的。
A.
正确
B.
错误
查看完整题目与答案
【单选题】In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalign...
A.
The marine bellows joints are attached in the accommodation only
B.
The bellows joints should be attached to anchors
C.
The associated piping should be thrown into the water like as anchors
D.
The connecting piping with the joints should be fixed firmly
查看完整题目与答案
【判断题】无穷小量的和、差、积、商依然是无穷小量。( )
A.
正确
B.
错误
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【单选题】The metatarsophalangeal joints are which type of synovial joints?
A.
saddle joints
B.
hinge joints
C.
condyloid joints
D.
pivot joints
E.
spheroidal joints
查看完整题目与答案
【多选题】Which belong to the joints of the vertebral arch ( )
A.
Ligamenta flava
B.
Interspinal ligaments
C.
Intertransverse ligaments
D.
Intervertebral disc
E.
Zygapophysial joints
查看完整题目与答案
【单选题】用万用表检测照明灯某线路两端,电阻为0,说明此线路( )。
A.
短路
B.
搭铁
C.
良好
D.
接触不良
查看完整题目与答案
相关题目：
【单选题】If no gaskets are used in the piping joints of a Freon system, the joints must be（）
A.
finished joints
B.
welded joints
C.
ground joints
D.
soldered joints
查看完整题目与答案
【单选题】According to the article, why should building joints be agile?
A.
Such joints are cheap.
B.
Such joints make buildings flexible and moveable.
C.
Such joints are concrete frames.
D.
Such joints make the buildings rigid.
查看完整题目与答案
【判断题】仲裁协议有两种形式，即仲裁条款和提交仲裁的协议。两种形式虽不同，但其法律作用与效力是相同的。(    )
A.
正确
B.
错误
查看完整题目与答案
【单选题】U-joints in the shaft accommodate any angular variations between the steering shaft and the______ .
A.
reservoir
B.
drag link
C.
pitman arm
D.
steering gear input shaft
查看完整题目与答案
【判断题】仲裁协议有两种形式,即仲裁条款和提交仲裁的协议。两种形式不同,其法律作用与效力也是不相同的。
A.
正确
B.
错误
查看完整题目与答案
【单选题】In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalign...
A.
The marine bellows joints are attached in the accommodation only
B.
The bellows joints should be attached to anchors
C.
The associated piping should be thrown into the water like as anchors
D.
The connecting piping with the joints should be fixed firmly
查看完整题目与答案
【判断题】无穷小量的和、差、积、商依然是无穷小量。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】The metatarsophalangeal joints are which type of synovial joints?
A.
saddle joints
B.
hinge joints
C.
condyloid joints
D.
pivot joints
E.
spheroidal joints
查看完整题目与答案
【多选题】Which belong to the joints of the vertebral arch ( )
A.
Ligamenta flava
B.
Interspinal ligaments
C.
Intertransverse ligaments
D.
Intervertebral disc
E.
Zygapophysial joints
查看完整题目与答案
【单选题】用万用表检测照明灯某线路两端,电阻为0,说明此线路( )。
A.
短路
B.
搭铁
C.
良好
D.
接触不良
查看完整题目与答案