重型的,重载的;耐用的;关税重的;强功率;

词源词根法
heavy,重的,duty,职责,责任。比喻用法。
One large city used such construction on their heavy duty batteries for city buses.
一个大城市把这种结构用于城市公共汽车的负荷蓄电池.
来源:词典精选例句水储存在坚固内胆内,有利于防止罐被腐蚀和水浸涝问题.
来源:网络文摘精选It is equipped with heavy-duty ball bearings and rests on a heavy, stable cast-iron base.
转台中有一很重的球使旋转并有一坚固的铁制基座.
来源:网络文摘精选Iranian state media reports say Iran has begun producing two new heavy duty missiles.
伊朗官方媒体报道称伊朗正制造两枚新研制的重型导弹.
来源:网络文摘精选宝丽FamilyCamera,案重型宝丽来相机袋握着你的相机和一些配件.
来源:网络文摘精选Heavy duty adjusting screw. Adjusting screw is both slotted and knurled.
重型调节螺丝. 调节螺丝既有槽也有花纹边.
来源:互联网摘选Designed to be completely waterproof, the lights are manufactured from heavy duty plastic.
为了彻底防水,这些灯具均采用重型塑料制成。
来源:《柯林斯高阶英汉双解学习词典》
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