基本解释[經濟學]便攜式取樣鑽機英汉例句雙語例句Portable Sampling Drill QY-3 was developed to meet the requirements of generally geological survey.3型輕便取樣鑽機是爲滿足地質大調查的需要而研制的。portable sampling drill更多例句专业释义經濟學便攜式取樣鑽機