便携式正己烷检测仪TD400-SH-C6H14 气体报警仪 ¥18800.00 便携式氯乙烯检测仪TD400-SH-C2H3CL 彩屏显示 ¥18800.00 便携式丁二烯检测仪TD400-SH-C4H6 气体侦测仪 ¥18800.00 便携式氯气检测仪TD400-SH-CL2 气体侦测仪 ¥18800.00 便携式乙醇检测仪TD400-SH-C2H6O 气体报警仪 ¥18800.00 便携式乙醛检测仪TD400-SH-C2H4O 气体探测仪 ¥18800.00