491.数字化转型下的高温劳动者丨六旬环卫工坚守路面保清洁20年：机械应用成解暑“凉方”

from 和春天的约会 · host 宋传增

Episode metadata supplied by the publisher feed · Published Mar 23, 2023

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491.数字化转型下的高温劳动者丨六旬环卫工坚守路面保清洁20年：机械应用成解暑“凉方”

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