metamorphic grade造句

例句与造句

1. The jiangcang mining area locates the position of special earth structure , regional structure developed distinguishingly , with the third kind of structure complicated degree and the third type of coal bed stable degree and metamorphic grade
   摘要江仓矿区位于特殊的大地构造位置，区域构造演化特殊，构造复杂程度属三类，煤层稳定程度和煤质变化程度属三型。
2. It's difficult to find metamorphic grade in a sentence. 用metamorphic grade造句挺难的