美国SOR液位开关701K1-U-P6-C 701K1-U-P8-C
701K1-U-P6-C 701K1-U-P8-C
701K1-U-P8-C/ 371-U-2-C3A
701K1-U-P8-C/ 371-U-1.16-C3A
701K1-U-P8-G/371-U-2-C3A
701K1-U-P8-C-0D/ 371-U-4-C3A
701K1-U-P8-C-FS/371-U1.5-C3A