1·Two workmen survey the site in the shadow of a giant excavator.
两名工人在巨型挖掘机的阴影下勘察现场。
2·After pulling out huge blocks of concrete and piles of dirt from the hole, the excavator operator got a little overzealous.
从洞里挖出大块的混凝土和成堆的泥土后，挖掘机操作员有点过于热心了。
3·That little tiny Excavator we had down in there, we had to tie a rope to the door handle and give it a little jerk. And it opened right up.
我们把绳子的一头拴在门把手上，另一头拴在坑边小挖掘机的悬臂上，稍稍使了点劲，门就开了。
4·It has been proved in experiments that these methods not only improve the efficiency of the hydraulic system, but also the controllability of excavator.
试验证明，这些措施的采用，不仅提高了液压系统效率，而且使挖掘机的操纵性得到明显提高。
5·The whole project is expected to take 4 months, but due to the Australian manufacturing hydraulic excavator and the rig is very advanced, more than 1 months to finish the task.
整个工程原本预计要耗时4个月，但是由于澳大利亚制造的液压挖掘机和钻机十分先进，1个多月就完成了任务。