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src=\"https:\/\/www.hatkosoundbarrier.com\/wp-content\/uploads\/2020\/01\/What-is-the-purpose-of-the-sound-barriers-in-highways-1.jpg\" alt=\"What is the purpose of the sound barriers in highways (1)\" width=\"500\" height=\"281\"><\/p>\n<p><span style=\"font-family: helvetica\">\u4f5c\u4e3a<strong>Hatko\u9694\u97f3\u5c4f\u969c\u516c\u53f8<\/strong>\uff0c\u6211\u4eec\u751f\u4ea7<strong>\u6a61\u80f6<a href=\"https:\/\/www.hatkosoundbarrier.com\/noise-barrier\/\">\u9694\u97f3\u5c4f\u969c<\/a><\/strong>\u3002\u4f46\u6211\u4eec\u4e5f\u5bc6\u5207\u5173\u6ce8\u566a\u97f3\u9632\u6cbb\u65b9\u6cd5\u548c\u6280\u672f\uff0c\u5e76\u52aa\u529b\u83b7\u53d6\u5236\u9020\u6280\u672f\u7684\u65b0\u6280\u672f\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f\u805a\u78b3\u9178\u916f\uff08PC\uff09\u9694\u97f3\u5c4f\u969c\u53ca\u5176\u7279\u70b9\uff1f 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