2.54-50P 2.54-50P灰排线 2.54-5A 2.54-5ALTGB 2.54-5AWTB 2.54-5P CJPB-H 2.54-5P CJPB-L 2.54-5P DT 200mm 24AWG 2.54-5P LT 2.54-5P TPGT