coal hopper meaning in English

煤仓
煤漏斗
煤炭漏斗

Hoisting assembly technology of preventing steel coal hopper from deforming
防止钢煤斗变形的吊装工艺
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
Solution of coal jamming in coal hopper by using ultrahigh molecular weight polyethylene
应用超高分子量聚乙烯材料解决落煤斗堵煤难题