graphite-containing bearing含: keep in the mouth石墨: black lead; graphite; plumba ...的: 4次方是 The fourth power of 2 i ...轴承: bearing; axle bearing; beari ...石墨的, 含石墨的: plumbaginous下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:含石墨的轴承，即可在微信中查询翻译
