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供應(yīng)膨脹珍珠巖，園藝珍珠巖，蔬菜種植、育苗大顆粒珍珠巖
珍珠巖是一種火山噴發(fā)的酸性熔巖，經(jīng)急劇冷卻而成的玻璃質(zhì)巖石，因其具有珍珠裂隙結(jié)構(gòu)而得名。珍珠巖礦包括珍珠巖、黑曜巖和松脂 		2024-02-28
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