泵吸式乙醛检测仪TD400-SH-C2H4O气体浓度测定仪 ¥9500.00 泵吸式氯乙烯检测仪TD400-SH-C2H3CL气体快速测定仪量程范围可选 ¥5800.00 泵吸式乙炔检测仪TD400-SH-C2H2气体浓度测定仪99ppm ¥6600.00 干洗店洗衣店泵吸式四氯乙烯检测仪TD400-SH-C2CL4气体含量测定仪 ¥16500.00 泵吸式溴气检测仪TD400-SH-Br2气体泄漏测定仪器10ppm ¥9900.00 泵吸式乙硼烷检测仪TD400-SH-B2H6气体泄漏测定仪器 ¥9900.00