重型的英文：
heavy duty

参考例句：
  • The boys rolled the football field with a heavy iron.
    男孩子用一个重型铁滚子将足球场轧平。
  • The Turks will get a monster bombard modelled on the one they used in the siege of Constantinople.
    土耳其将会得到妖怪射石炮，原型就是围攻君士坦丁堡的重型大炮。
  • Ballista: Ancient missile launcher designed to hurl long arrows or heavy Balls.
    投石机: 古代投掷物体之发射器,用作发射长箭或重型球状物。
  • The NIBCO HPR butterfly valve can be provided with heavy-duty weatherproof operator and indicator.
    美国尼伯科HPR蝶阀可配备重型、抗恶劣气候的操作装置和指示装置。
  • a field drag; a heavy-duty harrow
    重型耙
  • A heavy truck lumbered by.
    一辆重型卡车隆隆驶过。
  • Catapult Zombie operates heavy machinery.
    投篮僵尸开着重型机器。
  • This is a heavy duty turret lathe.
    这是一台重型转台车床。
  • The lawn was cut up by the heavy truck
    草地被重型卡车碾坏了。
  • Heavy motorcycle with fairing(1000cc)
    带流线型外壳的重型摩托车(1000cc)
heavy是什么意思：
adj. 沉的；超出一般的；辛苦的；厚的；繁忙的；耗费...的；危险的；沉闷的；严厉的
n. 保镖；苦啤酒
  • a truck; a heavy duty truck
    载重汽车
  • Light Burdens far heavy
    远途无轻担
  • An elephant has a heavy build.
    大象躯体庞大。
  • They were burdened with heavy taxation.
    他们负担重税。
  • A light purse is a heavy curse
    为人无钱处处难
duty是什么意思：
n. 责任；义务；职责；职务；税
  • duty to rear; duty to provide support
    抚养义务
  • a truck; a heavy duty truck
    载重汽车
  • The path of duty is the path of safety
    尽职的路是安全的路
  • They never neglect their duties.
    他们从未玩忽职守。
  • You ought to do your duty.
    你应该尽到自己的责任。

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