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夏天到了，不少人会用蚊香、电热蚊香液驱蚊。可您知道吗？这些驱蚊产品安不安全，其实是有国家标准严格把关的！GB/T 13917.4-2009、GB/T 13917.5-2009、GB/T 13917.6
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为进一步系统谋划、深入推进建材行业“双碳”工作，6月6日，中国建筑材料联合会组 织召开“建筑材料行业碳达峰碳中和工作推进委员会”以下称“建材碳委会”）办公会。中国建筑材料联合会会长、建材碳委会召集人阎
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