集材索道 yarding skyline system ; skidding ropeway ; Cableway for timber skidding

架空集材索道 [林] aerial skidding ropeway

地面集材索道 [林] ground skidding ropeway

索道集材 [林] cable skidding ; skyline skidding

钢索集材设备 [林] cable logging equipment

钢索集材 cable hauling

索式集材拖拉机 cable skidders

索道集材机 cable skidder

导索集材拱架 fair-lead logging arch