题目内容

某载货电梯,额定载重量为1000kg,轿厢最大有效面积为2.4m2,轿厢配有能在下行时动作的渐进式安全钳。按GB7588—2003《电梯制造与安装安全规范》规定,在交付使用前的检验中进行安全钳试验时,应在轿厢内装载1000kg的重量进行试验。()

查看答案
更多问题

()不是多媒体的主要特性。
A多样性
B交互性
C集成性
D大众性

The funny things is, I can never remember him ever _____.
A:to get dirty
B:get dirty
C:getting dirty
D:being got dirty

I work in a little room off the main entrance _____ museum, checking coats and other articles which people do not want to carry around as they tour the building.
A:to
B:of
C:at
D:for

A:developed
B:who developed
C:to be developing
D:developing it

答案查题题库