He said the strip of wreckage included metallic and nonmetallic pieces , but he did not describe them in detail .
他说失事处散落着包括金属和非金属残片,不过他并没有提及这些残片的细节。
Copper is a contaminant that can mess up nonmetallic stages of the manufacturing process , so the machines that add copper need to be carefully segregated .
铜是一种污染物,会对非金属加工过程造成混乱,因此用于添加铜质电路的机器需要被仔细的隔离。
The state torch program yixing nonmetallic material industry base .
国家火炬计划宜兴非金属材料产业基地。
Ceramics are crystalline compounds combining metallic and nonmetallic elements .
陶瓷是由金属和非金属元素结合而成的水晶混合物。
Most metallic and some nonmetallic elements will emit characteristic radiations .
大多数金属和某些非金属元素都会发出特有的射线。
The progress of nano-meter technology in nonmetallic industry in china in 2006 was introduced emphatically . The important achievements and development directions of nano-meter technology were introduced in brief .