grease nipple

名词 n.
中文释义

英文释义

名词 n.
  1. A fitting fixed to a piece of machinery, used as an inlet for lubricating grease by means of a grease gun.
    — As on all other British Railways standard locomotives to date, the lubrication of motion pins and reversing gear is by grease nipple and gun.

词形变化

grease nipples plural
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