词汇	backing pulley
释义	backing pulley 回行皮带轮
随便看	The supply exceeds the demand The Supplying Ability The supplying of funds or capital The supply is inadequate to meet the demand The supply meets the demand the supply of books the supply of educational resources The supply of fist grew fourfold there the supply of major farm products the supply of new institution the supply of park the supply of public goods the supply of rural credit The supply ships sailed under convoy The supply ships travelled in convoy the supply side the supply system the support the support component the supporters of Cromwell The support for the tent is rigid the supporting and protection structure the supporting devices network the supporting load distribution the supporting of combination bolts