回复 0 举报 其他类似问题 查看更多 资深造价大神整理的92份造价人必备文件,少走10年弯路 资深预算员最全造价笔记包(全92份文件),包含造价各种算量技巧,结算方法,全是经验汇总,点击领取 Z250*75*25*3的型钢表面积(m2/m)咋算啊? Z250*75*25*3的型钢表面积(m2/m)咋算啊? 请问这C250*75*25*2.5个...
推荐于2017-12-15 08:29:34 最佳答案 C250×75×20×2.5是卷边冷弯槽钢,又称C形钢。对应的尺寸是高度×宽度×卷边高×钢板厚。它的重量是8.23Kg/m(这是理论重量,各生产厂家的产品与此稍有不同),这种型钢一般常用于轻型钢屋面及墙面的檩条。其它型号的重量你可查看《门式刚架轻型房屋钢结构技术规程》(CECS...
铸铁C250井盖的承重约为25吨。具体来说: 1.承重标准:C250井盖是按照国家标准设计的,能够承受250千牛(相当于25吨)的测试载荷。 2.适用场景:这种井盖适用于住宅小区、背街小巷等轻型机动车或小车行驶的区域,以及道路两边路缘石0.5米以内的区域。 3.材料特性:C250井...
SIEMENS/西门子进口低压熔断器/3... 供应Edison 熔断器 EDCC2... < > 产品推荐 ISFL630条形熔断器施耐德 全新西门子低压熔断器 3NE1331-0... 170M3423 170M4408 17... 北京厂家直销,库存各品牌断路器、接触器、... 区块链交易所新加坡MAS牌照 马可会员 ...
Graphs depict 1 wk and 2 wk post-infection profiles of uninfected and infected granuloma samples for (A) CD4+3+ T cells, (B) CD8+3+ T cells, (C) CD19+ B cells, (D) CD4+25+ T cells, (E) CD14+11c+ macrophages. Data are represented as mean +/2 SEM from 3 ...
NBR 120 -75+/-3 Water, sea water, mineral oil, salt water HT NBR 130 85+/-5 Mineral oil, thermal oil HNBR 150 80+/-5 High temperature mineral oil, high temperature water EPDM 150 80+/-5 Hot water, st...
3年 暂无记录 加入进货单询价 ERA2AEB103X EG3002 FH12-40S-0.5 F12T2.5 ERJ8ENF1000V EL817S1(B)(TU)-F ERJ14Y0R00U ERJ3EKF15R0V ETQP3M1R0KVP、ETQP3M1R0KVN、EVQP0Q02Q、ET01MD1AVBE、ERR1EM471F12P50、EVQP42B3M、ESD9D5V、ET6224RS、EVPAWBD2A、ESD5B5.0ST1G、ETQP4M3R3KVC、ETQP6M1...
3.Saddle clip composed of a top plate,a hold down & a M8 bolt, is suitable for all kinds of steel gratings installation. 4.Regarding saddle clip installation, at last four sets of saddle clips would be used in one pc grating.It would be better usi...
25/13 富士电机BW系列朔壳断路器 型号 额定电流(A) BW103E0 15,20,25,30,40,50,60,75,80,100 BW102S0 15,20,25,30,40,50,60,75,80,100 BW103S0 15,20,25,30,40,50,60,75,80,100 BW162E0 100,125,150,160 BW163E0 100,125,150,160 ...
Packaging Details 1. in bundle2. per your requirement3. Xinyue ERW STEEL PIPE Port Tianjin China Selling Units: Single item Single package size: 10X10X10 cm Single gross weight: 100.000 kg Supply Ability Supply Ability 800 Ton/Tons per Day ERW Steel lance pipe Show more ...