| 单词 | v-belt | 
| 释义 | V-belt in Automotive Engineering (vi bɛlt) Word forms: (regular plural) V-belts  noun (Automotive engineering:  Vehicle components, Engine, transmission, and exhaust) belt ,  belt A  V-belt is a rubber belt used for driving mechanisms in an engine such as the fans or water pump.  A V-belt must be the right size, extending slightly out of the pulley groove.  The V-belt has driven mechanical parts of car engines since the 1920s.  Many water pumps are driven by a V-belt that surrounds the crankshaft and water pump pulleys. | 
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