1. Currently, our metal and nonmetal mine production safety accidents showed a sharp decline of in the total, but the production safety situation is still grim. 当前我国金属非金属矿山生产安全事故总量呈较大幅度的下降，但生产安全形势依然严峻。
2. Rock-forming mineral, olivine, pyroxene, hornblende, orthoclase, feldspar, plagioclase, mica, quartz, biotite, calcite and other common metal and nonmetal minerals. 造岩矿物的概念、橄榄石、长石、角闪石、辉石、云母、石英、方解石和常见金属和非金属矿物。
3. Its comprehensive coverage focuses on corrosion of all metal/nonmetal alloy reactor components, including claddings, coatings, pressure vessels, piping, and fuel elements, etc. 它的广泛报导集中在所有金属/有色金属反应堆部件，包括包层，涂层，压力容器，管道系统和燃料元素等腐蚀；
英英解释
n.
1. a chemical element lacking typical metallic properties
2. not containing or resembling or characteristic of a metal
