heavysiden.亥维赛层; 海氏层; E电离层
heavyadj.大(量)的;重的;沉重的;猛烈的
heavy load frame承重托架
heavy duty hoist重型绳索起重机
heavy-degraded重度退化
heavy duty frame重型构架
heavy waxy crude重质含蜡原油
heavy oil burner重油燃烧器[喷嘴]
heavy draw press重型深冲压力机
Heavy dump truck重型自卸车
heavy irrigation过冷灌溉,大量灌溉,过度灌溉,过量灌溉