through toadv.直到throughadv.通过；径直；自始至终；(电话)接通；完全prep.穿过；凭借；一直到adj.直达的；直通的；贯穿的；完成的；结束的through tied-arch bridge下承式系杆拱桥through switching exchange转接局through and ghrough suture贯穿缝合Through steel plate girder下承钢板梁through a reliable channeladj.由可靠方面through-connection point转接点through feed dryig furnace[机] 直通干燥炉through casing resistivity过套管电阻率测井through with an assignment完成了作业through circulation drying通风干燥