This paper gives out'a new calculating formula, based on analysing the root mean square value formula of vibration acceptation of cranecab which is proposed by Russian M.
教授提出的驾驶室振动加速度均方根值计算公式的基础上，给出了新的计算公式。
2
One week of study will give some people enough knowledge to pass a certification examination, and then they can jump into the cab of a crane.
一周的学习将给予一些人足够的知识足以通过认证考试，然后他们可以跳转到的起重机的驾驶室。
3
The crane disposes of a 40 meter (132 ft) main boom, a newly developed two-man cab and a novel counterweight system that may be supplemented on site.