mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil
pencil lead 片语
片语
pencil lead loose铅笔芯松
Load Pencil Lead巧收铅笔芯
Pencil full of lead铅笔的铅
Signature pencil lead签字笔芯
pencil lead holder铅笔芯盒
Pencil and Lead铅笔和铅
pencil l lead holder铅笔芯盒
Movable Pencil Lead Type活动笔芯型号
pencil lead 例句
英汉例句
experiments were carried out on sheet metal with the signal of pencil lead breaking as simulating source.
以铅笔芯折断产生信号为模拟源进行了试验验证。
today we have several production lines and its associated production line in both pencil lead colour pencil refill with the annual production of pencils exceeding 500 million.
公司拥有年产量达五亿支木桿铅笔的多条生产流水线及配套彩色笔芯生产流水线。
lovely aromatics of emperor cherry, blackberry, and cedar in the nose underscored with a subtle hint of pencil lead shavings.
饶富樱桃、黑莓迷人的芳香以及细致的铅笔屑香味透露出杉柏木特有的气味。
pencil lead machinery;
铅笔芯;
after experimenting for eight days, he discovered that firing powdered graphite with clay would work, and the hardness of the pencil lead could be varied by varying the ratio of graphite to clay.
他做了八天实验,发觉把石墨粉末和黏土一起烧,就可奏效。笔芯的硬度还会依石墨和黏土的比例而改变。
ordinary so-called pencil lead is graphite, a three-dimensional form of carbon.
普通所谓的铅笔芯其实是石墨,一种三维结构的碳。
the graphite needed to make pencil lead was found mostly in england and prussia.
而制造铅笔芯的石墨,多数产于英国和普鲁士。
physicists struggling to reconcile gravity with quantum mechanics have hailed a theory – inspired by pencil lead – that could make it all very simple