张恒52088 - 2011/2/13 15:53:00
在做砂子资料时，2次筛分的细度模数相差不能超过多少？Áð^A(±_ =bbs.3c3t.comAg¤&p34`
wuhai347 - 2011/2/13 17:07:00
0.2Áð^A(±_ =bbs.3c3t.comAg¤&p34`
回来，贼 - 2011/2/13 18:14:00
2楼是正解Áð^A(±_ =bbs.3c3t.comAg¤&p34`
筛一次保留2位小数Áð^A(±_ =bbs.3c3t.comAg¤&p34`
筛2次取平均保留1位小数Áð^A(±_ =bbs.3c3t.comAg¤&p34`
详见52-2006Áð^A(±_ =bbs.3c3t.comAg¤&p34`
张恒52088 - 2011/2/14 7:52:00
谢谢Áð^A(±_ =bbs.3c3t.comAg¤&p34`
lizhiguo - 2011/2/14 12:47:00
相差不能超过0.2Áð^A(±_ =bbs.3c3t.comAg¤&p34`