“炭黑”造句
炭黑是不透明的,可以防止辐射热传到推进剂内部.
Carbon black is an opacifier which prevents radiant energy transmission to the interior of the propellant.
研究了纳米
炭黑水泥砂浆的导电性和电热特性.
Research of the nano carbon black cement mortar electrical and electrothermal properties.
白
炭黑填充于透明及半透明鞋底,提高鞋底的强度、耐磨性能.
BT - X silica white is filled into transparent or semi - transparent shoe - bottom.