单词	helical-screw conveyor
释义	helical-screw conveyor 螺旋输送器
随便看	lifetime lubricated lifetime lubrication lifetime management Lifetime matrix lifetime maximization lifetime meal ticket lifetime measurement lifetime membership lifetime model lifetime of a locality lifetime of a location lifetime of an activity set lifetime of an excited state lifetime of a television set life time of chain reaction lifetime of compound nucleus Life time of compound nucleus life time of energy level lifetime of energy state lifetime of equipment lifetime of excited atom lifetime of excited state lifetime of fatigue crack growth lifetime of hydrogen-nickel battery lifetime of LED