氯磷鈉鈣銅礦氯磷鈉銅礦sampleman: 采樣工; 取樣工sampleforreference: 檢查樣品samplemeanandvariance: 樣本平均值與方差samplefor technological test: 工藝試驗(yàn)樣品samplement insoection by attributes: 屬性抽樣檢查下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯