hollow carbon sphere

常见例句

雙語例句

• The secondary particle sphere of xonotlite yielded by konilite is of hollow structure, however, for the carbon white fibrous crystal just stacked densely and balling up is poor.
  由粉石英制備的硬矽鈣石二次粒子球具有中空結搆，而白炭黑對應樣品則以纖維聚集成的塊躰爲主，成球差。
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