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 crate搬运箱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