treads

n.

a step in walking or running

同义词：pacestride

the grooved surface of a pneumatic tire

the part (as of a wheel or shoe) that makes contact with the ground

structural member consisting of the horizontal part of a stair or step

Vulcanizable rubber composition for treads of vehicle tires
Formation of white-etching layers on rail treads
Turf-banked terrace treads and risers, turf exfoliation and possible relationships with advancing treeline
Modified Synthetic Rubber for Silica & Carbon Black Containing Tire Treads
Initiation and spread of alpha-herpesvirus infections
The New Argonauts: Regional Advantage in a Global Economy (review)
Two G-proteins act in series to control stimulus-secretion coupling in mast cells: use of neomycin to distinguish between G-proteins...
The omni-directional treadmill: a locomotion device for virtual worlds
The movement of people in buildings and design solutions for means of egress
TYRE/ROAD NOISE REFERENCE BOOK