用“roadway”造句大全，roadway造句
ItwillalsoallowtheroadwaythatrunsontopoftheHooverDamtoclose.Inancienttimes,akinghadaboulderplacedonaroadway.Atollcouldbeplacedonaroadway,raisediftrafficbogsdown,andreducedifthere'ssparecapacity.Batte...
用“haulage roadway”造句大全，haulage roadway造句
Theapplicationofboltingspoutingsupportin7244haulageroadwayofnorthNo4miningareaTheapplicationofthegeologyminingconditionandthegob-sideentrysupporttechnologyinhaulageroadwayNo.451faceareintroduced....