重型载货汽车

一辆重型卡车在厚厚的积雪中艰难地行进。

重型卡车一经过，整所房子都震动起来。

heavy section

special wagon for transporting heavy-duty loads

heavy duty ratchet bit brace

heavy-duty walled sole attaching press

HEAVY CUT RESIDUE OIL

heavy body

heavy oil partial oxidation process【油气】

heavy force fit【机】