| | CESVA EM631sb声级计套装 | 410 | ￥41000.00 | ￥41000.00 | | ￥41000.00 |  |
| | Whatman SPARTAN 13 Puradisc针头式滤器10463112 SPARTAN 13/0.45 RC 500/PK，孔径：0.45um | 65 | ￥6554.00 | ￥6554.00 | | ￥6554.00 | |
| | Cole-Parmer 1963734H 010BTV10 凝胶填充式，侧挂式pH电极与凝灰岩尖双结，1000欧姆ATC元，BNC | 21 | ￥2178.00 | ￥2178.00 | | ￥2178.00 | |
| | 爱华AWA6228型多功能声级计,配置7 | 154 | ￥15444.00 | ￥15444.00 | | ￥15444.00 | |
