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单词 bush-metal
释义

bush2 /bŭsh/

noun

A cylindrical sleeve which forms a bearing surface or a guide for drilling

transitive verb

To provide with a bush

ORIGIN: MDu busse, from L buxis a box

bushˈing noun

  1. A bush
  2. An insulator which enables a live conductor to pass through an earthed wall (elec eng)

bushˈ-metal noun

Hard brass, gunmetal, a composition of copper and tin, used for journals, bearings, etc

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更新时间:2024/11/11 1:26:59