短語詞組短語portable dental drill 便攜式牙鑽portable sampling drill 便攜式取樣鑽機(jī)portable seismic drill 地震輕便鑽機(jī)portable electric drill 輕便電鑽;輕便portable sample drill 手提式取樣鑽機(jī)portable rock drill 手持式鑿巖機(jī)portable engineering drill 輕便工程鑽機(jī)portable dth drill 輕型潛孔鑽機(jī) 返回 portable drill