钻头 (zuān tóu) — drill bit

Определение

Примеры

• 这个钻头很硬，可以钻石头。
  Zhè ge zuān tóu hěn yìng, kě yǐ zuàn shí tou.
  This drill bit is very hard and can drill stone.
• 工人换了一个新钻头，工作速度提高了。
  Gōng rén huàn le yí gè xīn zuān tóu, gōng zuò sù dù tí gāo le.
  The worker changed a new drill bit, and the work speed improved.
• 这种钻头适合钻木头，不适合钻铁。
  Zhè zhǒng zuān tóu shì hé zuàn mù tou, bú shì hé zuàn tiě.
  This type of drill bit is suitable for drilling wood, not suitable for drilling iron.