Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/075bf433e9c7825ed822dfef73e8c706.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 fixed bitumen例句_fixed bitumen英汉例句_fixed bitumen双解例句_淳朴汉英词典
When using fixed installations for melting bitumen at construction sites in cities and towns these fixtures should be of the sealed type. 城鎮建築施工熔化瀝青使用固定熔化裝置時，應儅採用密閉方式。 www.yishentongwang.com.cn