文章介绍了气动夯锤打桩的施工方法.This paper presents the construction method of pneumatic rammer piling.广泛用于海洋 、 江河 、 沼泽、陆地上的打桩基础施工.Widely used in the seas, rivers, marshes and land piling foundation construction.牙齿打桩后很疼是怎么回事?After dent...
An assistant one day a week would ease my workload.每周有一天配一个助手就会减轻我的工作负担。The workload can be evened out, instead of the shop having busy times and slack periods.商其工作量可以平均开来，不像商店那样有时很忙，有时很闲。The sudden cancellation of Mr Bl...