This paper gives out'a new calculating formula, based on analysing the root mean square value formula of vibration acceptation of crane cab 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。

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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。

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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.

本起重机配40米（132英尺）主臂，新开发的双人司机室和一个新颖的可在现场安装的配重系统。

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The cause of the crane failure for which the long boom of the crane folded back over the cab and now hangs in the air is also unclear.

WSJ: Broken Crane Looms Over Neighborhood

At one point, the man used the radio in the cab of the crane to talk with police, but "none of the communications we had with him were very productive, " he said.

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