短语词组短語chain saws -saw chain 鋸鏈Portable chain -saw hand-guards 輕便鏈鋸護手器chain -saw for forest work 林用油鋸chain cross -cut saw 橫割鏈鋸chain cut -off saw 鏈截鋸high handled chain -saw 高把油鋸 返回 chain-saw