pedrail

名词 n.
中文释义

英文释义

名词 n.
  1. A device intended to replace the wheel of a self-propelled vehicle, allowing traversal of rough roads and the ability to climb over obstacles. The tread consists of a number of rubber-shod feet connected by ball-and-socket joints to the ends of sliding spokes attached to rollers and springs.
  2. A vehicle, such as a traction engine, fitted with these devices.

词形变化

pedrails plural
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