[網(wǎng)絡(luò)] 播種機(jī) testing methods of single seed drills: 單粒播種機(jī)試驗(yàn)方法drills: 電動(dòng)手操作鉆孔器; 斜紋布; 鉆孔機(jī); 鉆頭conversational drills: 瘋狂英語(yǔ)口語(yǔ)絕招-句型經(jīng)典drills practice: 句型操練electric drills: 電動(dòng)鉆孔機(jī)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯