昆山恩欧凯自动化设备有限公司代理法国HPI齿轮泵,P1DBK2015CA2015CA2012CL30D01N,液压马达,泵电机组等液压元件,出价快,库存大,原装进口,欢迎前来咨询或购买.
SeriesP1DWN2015CA2012CL30D01NBrandHPI ModelP1DWN2015CA2012CL30D01N French HPI gear pump The widest range of gear pumps With a capacity ranging from 0.25 cm to 250 cm 3/Rev. And peak pressure up to 330 bar, the JTEKT HPI series hydraulic gear pump is the most widely available on the...
用三块正多边形的木块铺地.拼在一起相交于一点的各边完全吻合.设它们的边数为m.n.p.则( ) A.1m+1n+1p=1B.1m+1n+1p=12C.1m+1n=1pD.1m+1n=2p
型号 PD54003L-E 技术参数 品牌: N/A 型号: PD54003L-E 封装: QFN 数量: 86500 RoHS: 是 产品种类: 电子元器件 最小工作温度: -40C 最大工作温度: 125C 最小电源电压: 5V 最大电源电压: 7V 长度: 3.2mm 宽度: 9.8mm 高度: 1.7mm 价格说明 价格:商品在爱采购的展示标价,具体的成交价格可能因商...
证明:( I)PA=PD,N为AD的中点,∴PN⊥AD,又底面ABCD为菱形,∠BAD=60°,∴BN⊥AD,∴AD⊥平面PNB,∵AD∥BC,∴BC⊥平面PNB.( II)(文科)∵平面PAD⊥平面ABCD,平面PAD∩平面ABCD=AD,PN⊥AD∴PN⊥平面ABCD... (Ⅰ)直接根据题中的已知条件求出线线垂直在得到线面垂直,最后转化出结论.(Ⅱ)(文科)根据面面...
已知正四棱锥P-ABCD棱长都等于a,侧棱PB,PD的中点分别为M,N,则截面AMN与底面ABCD所成锐二面角的正切值为( )A.33B.12C.1D.2
Model P1DWN2015CA2012CL30D01N French HPI gear pump The widest range of gear pumps With a capacity ranging from 0.25 cm to 250 cm 3/Rev. And peak pressure up to 330 bar, the JTEKT HPI series hydraulic gear pump is the most widely available on the market. From the modular design poi...