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雷达卡
1.The selection of the appropriate type and size of construction equipment often affects the required amount of time and effort and thus the job-site productivity of a project.选择适当施工设备类型和大小，经常影响一个项目需要时间多少和付出，以及所以而造成现场生产率。2.It is therefore important for site managers and construction planners to be familiar with the characteristics of the major types of equipment most commonly used in construction.所以，现场经理和施工计划者熟悉在施工中最惯用主要设备类型特征是主要。
3.3 Construction Equipment 施工设备
Excavation and Loading 开挖和装载3.On ...
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