齿条千斤顶

chǐ tiáo qiān jīn dǐng

Định nghĩa

1. rack and pinion jack

Từ cấu thành 齿条千斤顶

• 千 qiān: thousand
• 斤 jīn: catty
• 条 tiáo: strip
• 顶 dǐng: apex
• 千斤顶 qiān jīn dǐng: jack (for lifting weight)
• 齿 chǐ: tooth
• 齿条 chǐ tiáo: rack (and pinion)