liupeter - 2009/6/3 16:13:00
一般配合比中的要求的中粗的细度模数是多少到多少的？？？þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
xxwljm - 2009/6/3 17:23:00
细砂1.7-2.2中砂2.3-3.0粗砂3.1-3.7þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
中粗砂是通用术语，指细度模数在2.3-3.0之间，级配在二区接近于一区的砂。þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
niuniu6682000 - 2009/6/3 21:07:00
同意楼上说法þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
谌甫 - 2009/6/4 11:39:00
中粗砂就是中砂偏粗和粗砂偏细的砂，一般细度模数为2.8~3.3þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
jyx799111 - 2009/6/22 16:29:00
:default6:þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
姜永 - 2009/7/1 17:29:00
:default6: :default6:þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
jiaoyifeng - 2009/8/8 21:26:00
同意1楼的说法þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
5YAllword - 2010/11/10 18:56:00
中砂偏粗þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò
wmh170983379 - 2012/8/28 9:09:00
:default6: 看规范þÀqPÏ{bbs.3c3t.com²tCÔ$¦Ò