gear lubricating mineral grease齿轮: cogwheel; gear wheel wheel-l ...用: 40分钟跑完全程 run the course in 4 ...矿物: mineral substance润滑脂: grease; lubricating grease轮用润滑脂: cart grease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:齿轮用矿物润滑脂，即可在微信中查询翻译
