系列 Formula+RCD A系列 类型 断路器 电流额定值 250A 极数 3P 4P IP等级 IP40 长度 37 宽度 16 高度 17 单位重量 3.18kg 包装 盒装 最小包装量 1 封装 原装 数量 1 批号 10135709 可售卖地 可售全国 单位 (台) 品牌 原装正品 价格说明 价格:商品在爱采购的展示标价,具体的成...
//answers.microsoft.com/en-us/windows/forum/all/error-there-is-no-communication-between-computer/2fecbcb2-b887-4921-ba94-3c430c18e64f 2023-11-08T14:13:16.4240000Z https://answers.microsoft.com/en-us/windows/forum/all/why-do-i-have-to-manualy-start-security-centre/f31bdcf9-6a13-440d...
≤t≤3. 33325 若实数ab满足a2+b2=1,c 利用sina2+cosa2=1 33325 已知实数a ,b ,c ,满足a2 + b2 =1,c < a + b恒成立,则c的取值范围是? c < a + b恒成立则c小于a + b的最小值即可a2 + b2 =1则当且仅当a=b=负2分之根号2时,a+b取得最小值为负根号2所以c < 负根号2 33325...
Disclosed is a process for producing sulfonium compounds represented by the general formula (III) which comprises reacting alkylthiophenol derivatives represented by the general formula (I) and dialkyl sulfate represented by the general ... T Mutsuhiko,MGCC Inc.,H Isao,... - EP 被引量: 6发表...
有關賽事經國際汽聯分析後,將於今年命名為FIA Formula Regional World Cup,而澳門將繼續是國際汽聯該項世界盃賽事的全球唯一主辦方,屆時將吸引世界各地頂尖車手來澳參賽。有關賽事的參賽車手及戰車等詳細資料,大賽車組委會將與國際汽聯...
The Secret Service National Threat Assessment Center carried out the study. It examined 100 students responsible for planning 67 attacks from 2006 to 2018 in schools across the U.S. Each of the planned attacks were discovered and prevented.美国特勤局全国威胁评估...
ABB 塑壳断路器-FORMULA/A3N630 TMF500/5000 FF 3P原装3年 ￥1800.00 查看详情 三菱PLC模块AJ65SBTB1-8T,AJ65SBTB1-8T1,AJ65SBTB2-8T ￥320.00 查看详情 三菱PLC模块FX3U-232ADP-MB/FX3U-485ADP-MB/FX3U-ENET-ADP ￥1000.00 查看详情 三菱PLC模块QJ71C24N-R4 一年终身免费维修 ￥750.00 查看详情 三...
摘要: The invention provides low molecular weight or polymeric organic materials in which at least one hydrogen atom is replaced by a group of the formula (A)收藏 引用 批量引用 报错 分享 文库来源 其他来源 求助全文 Materials that can be structured, method for produ 优质文献 ...
Under the approximation that all nonvanishing Coulomb interactions are given by classical electrostatics, a simple formula for the force constant is obtained which has mean square error of 3% for a number of first‐ and second‐row diatomic molecules. If reasonable approximations are made for the ...
(Methy)acrylic acid esters of the general formula< P>(Mo) .sub.n --[--A--O--CO--CH.sub.2 --O--CH.sub.2 --CH.sub.2 --O--CH. sub.2 -- CO--O--].sub.x --A--(OM).sub.nare described wherein< P>A is an alcohol radical having at least 4 chain atoms between tw...