...清除坡面危石浮土；测量放样，定出桩孔准确位置；设置护桩并经常检查核对；孔口做好排水系统，并搭设好孔口雨棚；安装提升设备，布置好出碴道路。 » Remove dangerous rock slope surface dust; survey and setting out, set the exact location of the pile hole; set piles and regular inspection check; orifice good drainage system, and puts up a good canopy openings; installation of lifting equipment, a good layout of the road ballast. 树木可以吸收二氧化碳，释放氧气 » Trees can absorb carbon dioxide and release oxygen ..
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