| | Dwyer 螺旋式 1/2“NPT(M/F)压力表冷却塔 | 3 | ￥380.00 | ￥380.00 | | ￥380.00 |  |
| | Cole-Parmer ISE电极，铵，双结，BNC | 36 | ￥3685.00 | ￥3685.00 | | ￥3685.00 | |
| | ABB HygenicMaster ™电磁流量计，FEH311.080.P.1.S.1.T3.E.0.A.1.A.0.A.1.B.3.B.1 ... M5.P3 | 468 | ￥46810.00 | ￥46810.00 | | ￥46810.00 | |
| | 哈纳HI62911D PH电极 | 15 | ￥1540.00 | ￥1540.00 | | ￥1540.00 | |
