hopper

• Male artist hopper , hopper
  男艺人丹尼斯鹤柏
• Capacity of scale hopper m3
  称量斗容积m3 ：
• Use of infinitesimal calculus to calculate the capacity of a hyperbolic coal hopper
  利用微积分求煤仓双曲线漏斗容积
• Trailing suction hopper dredger
  耙吸式挖泥船
• Capacity of feed hopper m3
  储料斗容积m3 ：
• Marine steel plate hoppers
  船舶用钢板装料斗
• Y37 hopper type elevator
  Y37系列斗式提升机