Laborers were trained to handle 50 - ton compactors and giant cranes.
工人们接受操作五十吨压土机和巨型起重机的训练。
BigBelly compactors, which are entirely made in the U.S., have been exported to 25 countries.
全部在美国制造的大胃王压缩机，已经出口到25个国家。
Along city streets, solar-powered trash compactors have been installed, with recycling units attached.
街道两旁安装了太阳能垃圾粉碎器，还附带有专门收集可回收垃圾的容器。
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