sprag

英[spr?g]
美[spr?g]

基本釋義

n.
制輪木; 煤面防護柱; 制輪桿

實用例句

Roller bearing clutch is a new kind of frictional sprag clutch.

滾柱軸承離合器是一種新型的摩擦式超越離合器.

互聯(lián)網(wǎng)

英英釋義

Noun

  • 1. a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline

  • 2. a wooden prop used to support the roof of a mine

最新英語單詞

行業(yè)英語