松軟巖石 的英文怎麼說
中文拼音 [sōngruǎnyándàn]
松軟巖石
英文
crumbly rock-
The massive tripoli is a kind of soft siliceous rock which is composed of cryptocrystalline quartz. the rock could be prepared for active ultra - fine quartz by airflow pulverization and surface modification. the ultra - fine siliceous powder is a kind of high - quality filler in plastics and rubber
塊狀硅土礦是一種由隱晶質石英組成的松軟硅質巖,通過氣流粉碎與表面改性制備出的活性超細石英粉是一種優質的橡塑填料。The river had worn away the edge of the soft rock in such a manner, as to render its first pitch less abrupt and perpendicular than is usual at waterfalls.
奔騰的河水已經沖刷掉那些松軟的巖石的邊緣稜角,因而它的一角已不象瀑布旁邊大部分巖石那麼峻拔陡峭。Any of various mollusks that bore into soft rock or wood
鉆蛀蟲鉆入松軟巖石或木頭中的軟體動物
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