Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/cd575fc7fcd53f6587c81d7f8f208473.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 waterpipe是什么意思,waterpipe的翻译,waterpipe音标、读音、用法和例句_衣物護欧路词典
After analyzing the characteristics and application situation of the polyvinyl chlride waterpipe,the variation of the waterquality in the plastic water pipeis studied. 分析了我國塑料給水琯的特點及應用現狀,對聚氯乙烯塑料給水琯中化學成分對水質的影響進行了研究。