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style="line-height:2;font-family:SimSun;font-size:14px;">首先åQŒPPR½Ž¡å¥½è´¨é‡çš„一个重要的标准是材料的¼‹¬åº¦ã€‚尤其是裔Rœ²çš„æ°´½Ž¡ï¼Œå®ÒŽ˜“受到外力的撞击而äñ”生损坏。除了尽量避免这¿Uæ’žå‡ÖM¹‹å¤–,提高它的承受力也是重要的一个方面,而承受力的要求是¼‹¬åº¦åQŒæ‰€ä»¥ï¼Œé€‰æ‹©å¥½çš„质量需要在¼‹¬åº¦ä¸Šæ³¨æ„ã€‚还有一个标准就是它的抗腐蚀性,˜q™ç§è…èš€åŒ…括来自水的和空气的åQŒè¿™ä¹Ÿæ˜¯è¯„估质量的一个标准。这些都是PPR½Ž¡ä¸€äº›åˆ¤æ–­è´¨é‡çš„标准åQŒé€‰æ‹©åˆé€‚çš„PPR½Ž¡é™¤äº†è¦æ±‚质量还要考虑ä»äh ¼æ˜¯å¦åˆç†åQŒä»¥åŠæ–½å·¥çš„便利性,也就是说要看安装èµäh¥æ˜¯å¦æ–¹ä¾¿åQŒå®‰è£…时间是不是很短åQŒæ¡ä»¶æ˜¯å¦ç¬¦åˆæ‰€è¦ä‹É用的¾cÕdž‹ã€?/span> </p> <p style="text-indent:2em;"> <span style="line-height:2;font-family:SimSun;font-size:14px;">以上几点都是选择合适的PPR½Ž¡éœ€è¦è€ƒè™‘的问题ã€?/span> </p></div> <div class="n_article_next"><div>上一æ?<a href="59.html">矛_®¶åº„ppr厂所生äñ”çš„ppr有什么特炚w‚£</a></div> <div>下一æ?<a href="57.html">ppr½Ž¡ç”Ÿäº§åŽ‚家活力四ž®? 展现品质</a></div> </div> <div class="tag">相关标签åQ?a href='/key.aspx?k=ppr%b9%dc'>ppr½Ž?/a>,<a href='/key.aspx?k=ppr%b9%dc%c9%fa%b2%fa%b3%a7%bc%d2'>ppr½Ž¡ç”Ÿäº§åŽ‚å®?/a>,<a 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