WFK 18 G 54 x 94 L MTC P51-100-G-P-MD-4.5OVP-000-000 电阻5.11K 精度%1 电阻1千欧 1/4W AKG 165 38 100 SA L K ec1110120201 with knurled shaft PDT2-L-AU1-A-500PA-NPT1/8-S-E 62GB-12E10-07PN(416) PDT2-L-AU1-A-125Pa-NPT1/8-X-E WFK 25 28 x 28 LEMWM28D80