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起重轨|71mnk起重轨|45mnk起重轨|轻轨 吊车轨(qu70,80,100,120):材质71mn,12m——12.5m 重轨(38kg,43kg,50kg,60kg
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100117.html2010/9/27 14:17:00
品: 线材:矿用锚杆钢、矿用左旋锚杆,矿用右旋锚杆,φ18左旋锚杆、φ20左旋锚杆,φ22左旋锚杆,φ18右旋锚杆、φ20右旋锚杆,φ22右旋锚杆,钢绞线:15.24钢绞线,17.
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100111.html2010/9/27 14:16:00
q235材质角钢|不等边角钢 等边角钢重量计算公式:w= 0.00785 ×[d (2b–d)+0.215(r2–2r 2 )] b= 边宽, d= 边厚,r= 内弧半
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100112.html2010/9/27 14:16:00
重量计算公式:w=0.00785 ×[hd+2t (b – d )+0.349 (r2 – r 2 )] h= 高,b= 腿长,d= 腰厚,t= 平均腿厚,r= 内弧半径,r=
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100113.html2010/9/27 14:16:00
梁 7#π型钢:10.2kg/m,材质:27simn 腿高:45 外宽:100 内宽:83腰厚:8 齿距:52 对角125 9#π型钢:8.26kg/m,材质:27simn
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100110.html2010/9/27 14:15:00
市支路。 (3) 半截光型介于截光与非截光型之间,适用于城市次干道、支路照明。 1.1.2 城市道路照明灯具的要求 灯具是用来固定和保护光源,并调整光源的光线投射方向,以获得照
http://blog.alighting.cn/isbelle/archive/2010/9/27/100106.html2010/9/27 13:02:00
e on dAnny’s hAnds proves he didn’t fire A gun, And he sAys dAnny wAs lying on the floo
http://blog.alighting.cn/fdsun23/archive/2010/9/27/100100.html2010/9/27 12:09:00
n quite A number of them in order to look AttrActive And outstAnding on every occAsion
http://blog.alighting.cn/fdsun23/archive/2010/9/27/100099.html2010/9/27 12:08:00
flAunt your gucci hAndbAgA hAndbAg forms A very mbtvitAl pArt of A womAn’s Accessory
http://blog.alighting.cn/fdsun23/archive/2010/9/27/100097.html2010/9/27 12:07:00
christiAn Audigier – A fAshion legendmention christiAn Audigier christiAn Audigie
http://blog.alighting.cn/fdsun23/archive/2010/9/27/100096.html2010/9/27 12:06:00