portable detector of carbon monoxide 便携式一氧化碳检测仪

portable liquid level detector 便携式液位检测器

portable explosion-proof gas detector 便携式防爆瓦斯探测器

portable eddy-current crack detector 便携式涡流探伤仪

portable methane alarm detector 便携式甲烷检测报警仪

Portable Oxygen Detector 携带式氧气气体侦测器

portable ionization detector 手提式游离侦检器

portable radiation detector 手提辐射侦测器

portable magnetic particle flaw detector 携带式磁粉探伤机

portable magnetic flaw detector 手提式磁力探伤仪