制造商目录 浏览和搜索电子元器件制造商信息 制造商列表 R rennsteig retex reviver-technologies rexaloy rexel rhopoint rib riko-components rip-tie ritdisplay rittal rk-rose+krieger roadrunner robnor rocol roebuck rohde-schwarz rolec roline rolson-tools rose roson-electronics rotacraft roth-elektronik rothenberger rotozip rotronic rover roxburgh rpp ruko redpine rhombus res-ingenium rf-industries richardson-rfpd rayovac rena roal-elec red-rocket rowley rfe roxtec radiocrafts radisys rifa rhino rakon raydex-cdt 理光ricoh rrc-power-solutions radiflex ratho-elektronic-vertriebs raza-microelectronics reliability research rex-industries rexroth-mecman rf-micro-devices riken-dengu-seizo rikyu-electronics rion ritelite-systems river-eletec rk-systems rn2-technologies rochwell-collins rochwell-international rocky roebuck-electronique