diffraction apparatus造句

例句与造句

1. The composition and properties of three types of titanium investment materials are examined by x - diffraction apparatus , hydraulic pressure tester and thermal expansion coefficient apparatus , respectively
   摘要应用x射线衍射仪、液压试验机和热膨胀仪检测国外三种体系铸钛专用包埋料的组成和性能。
2. It's difficult to find diffraction apparatus in a sentence. 用diffraction apparatus造句挺难的