钢珠 (gāng zhū) — esfera de aço; rolamento de esferas

Definição

Exemplos

• 这个轴承里有很多小钢珠。
  Zhè ge zhóu chéng lǐ yǒu hěn duō xiǎo gāng zhū.
  There are many small steel balls inside this bearing.
• 他用钢珠做了个弹弓。
  Tā yòng gāng zhū zuò le gè dàn gōng.
  He made a slingshot with steel balls.
• 机器里的钢珠需要定期更换。
  Jī qì lǐ de gāng zhū xū yào dìng qī gēng huàn.
  The ball bearings in the machine need to be replaced regularly.