皮皮学，免费搜题
登录
搜题
【判断题】
版式设计的范围与领域,涉及到报纸、刊物、书籍(画册)、产品样本、挂历、招贴画、唱片封套等平面设计各个领域,但不包括影视画面、网页布局。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Although the crankshafts of medium diesel engines appear to be robust, they rely on the support of _____ to develop their full strength.
A.
the piston rods
B.
the crank throws
C.
the thrust bearings
D.
the main bearings
【单选题】Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the _____.
A.
main bearings
B.
connecting rod bearings
C.
piston pin bushings
D.
All of the above
【简答题】We all know that diesel engines, in principle, work in the same way as gasoline engines do. Both kinds of engines are internal combustion engines, but each of them has its characteristic features.Now ...
【单选题】对于安全电压额定值的选用，要求根据使用环境、人员和使用方式等因素确定。金属容器内、特别潮湿处等特别危险环境中使用的手持照明灯应采用（ ）V特低电压。
A.
6
B.
12
C.
24
D.
36
相关题目：
参考解析：
知识点：
题目纠错 0
发布
