运输车辆和挖掘机械整齐地停歇在工地周围，没有施工。
The carrier vehicle and the excavating machine stand still neatly around the work site, does not have the construction.
机械设备办理程度地黑白，将直接影响公路施工地经济效益。
The economical profit of the highway construction is depends on whether the mechanical equipment is good or bad.
塔式起重机作为施工工地上最为重要的大型施工机械之一，其运行效率和安全性对整个施工进程至关重要。
As one of the most important machines in construction sites, tower cranes efficiency and safety are crucial to the whole construction process.
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