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英语翻译One family of construction machines used for excavation

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英语翻译
One family of construction machines used for excavation is broadly classified as a crane-shovel as indicated by the variety of machines in Figure 4-3.The crane-shovel consists of three major components:
• a carrier or mounting which provides mobility and stability for the machine.
• a revolving deck or turntable which contains the power and control units.
• a front end attachment which serves the special functions in an operation.
The type of mounting for all machines in Figure 4-3 is referred to as crawler mounting,which is particularly suitable for crawling over relatively rugged surfaces at a job site.Other types of mounting include truck mounting and wheel mounting which provide greater mobility between job sites,but require better surfaces for their operation.The revolving deck includes a cab to house the person operating the mounting and/or the revolving deck.The types of front end attachments in Figure 4-3 might include a crane with hook,claim shell,dragline,backhoe,shovel and piledriver.
不过你的答案跟我的一样.请别用谷歌翻译.
英语翻译One family of construction machines used for excavation
一个家庭的建筑机械用于挖掘大致归类为起重机,挖掘机所显示的各种机器,图4-3 .起重机,挖掘机包括三个主要成分
•承运人或安装,提供流动性和稳定的机器.
•循环甲板或转台其中包含的权力和控制单元.
•前端附件提供服务的特殊职能的一项行动.
尤其适合抓取超过相对凹凸不平在工作现场.其他类型的安装包括卡车车轮安装安装和提供更大的流动性工作地点之间,但需要更好地表面的作业.循环甲板包括驾驶室容纳越来越多的人经营和/或循环甲板.那个类型的前端附件图4-3可能包括起重机钩,索赔壳,铲,反铲,铲和piledriver .
我不是用谷歌翻译,