A.風(fēng)化 B.氧化 C.雨水 D.高溫
A.機械能轉(zhuǎn)化為液壓能 B.電能轉(zhuǎn)化為機械能 C.液壓能轉(zhuǎn)化為機械能 D.電能轉(zhuǎn)化為液壓能
A.900mm B.1000mm C.1200mm D.1500mm