使: send; tell sb. to do sth.渐: gradually; by degrees细: thin; slender使渐崩: degrade渐细的: attenuate渐细管: tube， converging渐细索: tapered end rope等高线渐细: feathering渐细等高线: featheredging两端渐细的: fusiform毛边，渐细等高线: featheredging使渐渐变为精良: fine away; fine down使建设周期缩到最短期限: keethe construction cycle to the minimum duration使建于或坐落在某处: place or locate in a certain position使僵持: stalemate使健壮: invigorate使僵化: benumb使减至最小限度: minimise使僵硬: stiffen使减压: depressurizes
