black lead中文什么意思

【矿物】石墨，笔铅。

• black:    adj. 1.黑，黑色的。 2.暗的 ...
• lead:    vt. (led) 1.领导，引导， ...
• black lead brush:    石墨刷

例句与用法

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1. Connect black lead to metal point on car chassis
   连接黑色导线到汽车底盘的金属点上。
2. Not only did black lead him to the potters that night
   那天晚上布莱克不光带他去找到波特夫妇
3. Not only did black lead him to the potters that night . .
   那天晚上布莱克不光带他去找到波特夫妇. .
4. Black leads for wood - cased pencils . classification and diameters
   木质外体铅笔的石墨铅芯.分类和直径
5. Mechanical pencils . part 3 : black leads . bending strengths of hb leads
   机械铅笔.第3部分:石墨. hb铅笔芯弯曲强度

英文释义

名词

1. used as a lubricant and as a moderator in nuclear reactors
   同义词：graphite, plumbago