大卫带来一台装有脚轮的手推车。其他人都偷偷在口袋里装来了我们建房子要用的小东西，生怕被父母看见。
David brought a little trolley on wheels, and most of the others produced useful bits and pieces secreted in pockets, away from parents 'eyes.
浩轮脚轮厂是专业生产工业脚轮和手推车的企业。
Haolun caster Company is a professional manufacturer of industrial casters and hand trucks.
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