Russian ⇄ Chinese English

довзрывоопасная концентрация stresses
gen.	lower explosive limit (Often called the LEL (lower explosive limit) the minimum explosible concentration (MEC) provides insight into the minimum amount of combustible dust that will ... Alexander Demidov); minimum explosible concentration (MEC Alexander Demidov); explosible concentration (The ASTM E1515 Standard Test Method for Explosible Concentration of Combustible Dusts is ... Alexander Demidov)
mil., WMD	critical pre-explosive concentration
sec.sys.	pre-explosive concentration (igisheva); preexplosive concentration (igisheva)

довзрывоопасная концентрация: 1 phrase in 1 subject

Sakhalin

1