n.利用支柱的支撐；支柱
動(dòng)詞shore的現(xiàn)在分詞形式.
If you notice any shift in position of shoring, get out and report to your supervisors immediately. 工作時(shí)如發(fā)現(xiàn)支柱有任何位現(xiàn)移象，應(yīng)立即離開坑洞并向主管報(bào)告。
離岸
