单词head saw
un.: 主锯；原木锯网络: 头道锯
原木锯
主锯
A large headsaw for cutting logs, operated jointly by a person standing above the log and another in a pit underneath.
竖拉大锯一种锯木头的大锯，一人站在木头上，一人站在坑内一起拉锯。