single row bootsingle-row boot開溝器: furrow opener; furrower; dri ...雙行開溝器: divided boot分叉導(dǎo)種雙行開溝器: split row boot; split-row boot開溝器: furrow opener; furrower; drill boot; colter boot; opener boot; opening share安全開溝器: trip opener下載手機(jī)詞典可隨時隨地查詞查翻譯