halogenated agent extinguisher 卤代烷灭火器

halogenated agent fire extinguisher 卤代烷灭火器

halogenated agent extinguishing system 卤代烷灭火系统

Halogenated agent fire extinguishers 卤化剂灭火器

Halogenated agent extinguishing systems units 卤化剂灭火系统设备

Halogenated Agent Extinguishing System Units 卤化剂灭火系统设备

halogenated extinguishing agent 卤代烷灭火剂

halogenated fire extinguishing agent 氟溴烷烃灭火剂 ; 卤化物灭火剂

halogenated E agent 卤代烷灭火剂