(商标)由金刚砂晶体构成的研磨剂.A trademark used for an abrasive of silicon carbide crystals.金刚砂是非常坚硬的金属物质.The emery is a hard metallic substance.适用砂材: # 26- #320氧化铝砂 、 金刚砂 、 玻璃珠 、 塑胶喷砂粒等.Applicable sand material: Aluminum oxide Sand o...
The anisotropy associated with the earth's rotation results in a slight deflexion of the ray paths.与地转有关的不均匀性会导致波向线产生轻微的偏转.Brinson and his associates have also shown that material anisotropy exerts an effeet on plas...