الإنجليزية - الإنجليزية
تعريف lel في الإنجليزية الإنجليزية القاموس.
- Lower Earnings Limit
- (See LOWER EXPLOSIVE LIMIT )
- The lowest concentration of gas or vapor (% by volume in air) which will burn or explode if an ignition source is present
- lower explosive (flammable) level in air
- Lower Explosive Limit (see Explosive Limits )
- Lower Explosive Limit The concentration of flammable gas or vapour in air above which an explosive gas atmosphere will be formed
- few, a few [
- Lowest-Effect Level
- – Lower explosive limit