| L | 公升Liter | |
| L | 公升Liter | |
| LAT | 离风温度LeavingAirTemperature | |
| LAT | 离风温度LeavingAirTemperature | |
| LAV | 洗脸盆Lavatory | |
| LAV | 洗脸盆Lavatory | |
| LBG | 线型格栅式出风口LinearBarGrille-SupplyAir | |
| LBG | 线型格栅式出风口LinearBarGrille-SupplyAir | |
| LDAlaserDoppleranemometer | 激光多普勒测速仪 | |
| LDAlaserDoppleranemometer | 激光多普勒测速仪 | |
| LDR | 线型回风口LinearDiffuser,Return | |
| LDR | 线型回风口LinearDiffuser,Return | |
| LDS | 线型出风口LinearDiffuser,Supply | |
| LDS | 线型出风口LinearDiffuser,Supply | |
| LFAP | 火警受信总机LocalFireAlarmpanel | |
| LFAP | 火警受信总机LocalFireAlarmpanel | |
| LMGLightMachine-Gun | 轻机枪 | |
| LMGLightMachine-Gun | 轻机枪 | |
| LPMorL/M | 公升/分LiterPerMinute | |
| LPMorL/M | 公升/分LiterPerMinute | |
| LQLLimitingQualityLevel | 最低品质水准 | |
| LS | 液位感测器控制器LevelSwitchController | |
| LS | 液位感测器控制器LevelSwitchController | |
| LSWLightSupportWeapon | 轻型支援武器 | |
| LSWLightSupportWeapon | 轻型支援武器 | |
| LV | 百叶Louver | |
| LV | 低真空管LowVacuumPipe | |
| LV | 百叶Louver | |
| LV | 低真空管LowVacuumPipe | |
| LWT | 出水温度LeavingWaterTemperature | |
| LWT | 出水温度LeavingWaterTemperature | |
| LaboratoryGlasswareWashers | 实验室玻璃器皿清洗机 | |
| LaboratoryMill/UniversalBallMill | 实验室自动乳钵 | |
| Laminated | 复合夹板 | |
| Laminated | 复合夹板 | |
| Land | 阳膛 | |
| Land | 阳膛 | |
| Lane | 靶道 | |
| Lane | 靶道 | |
| Lappingmachines | 精研机 | |
| Lappingmachines | 精研机 | |
| Lappingmachines,centerless | 无心精研机 | |
| Lappingmachines,centerless | 无心精研机 | |
| Lasercutting | 激光切割 | |
| Lasercutting | 激光切割 | |
| LasercuttingforSMTstensil | 激光钢板切割机 | |
| LasercuttingforSMTstensil | 激光钢板切割机 | |
| Lasersight | 雷射瞄准具 | |
| Lasersight | 雷射瞄准具 | |
| Lathebench | 车床工作台 | |
| Lathebench | 车床工作台 | |
| Lathes,automatic | 自动车床 | |
| Lathes,automatic | 自动车床 | |
| Lathes,heavy-duty | 重型车床 | |
| Lathes,heavy-duty | 重型车床 | |
| Lathes,high-speed | 高速车床 | |
| Lathes,high-speed | 高速车床 | |
| Lathes,turret | 六角车床 | |
| Lathes,turret | 六角车床 | |
| Lathes,vertical | 立式车床 | |
| Lathes,vertical | 立式车床 | |
| Layout | 布置图 | |
| Lead | 铅 | |
| Lead | 膛喉 | |
| Lead | 铅 | |
| Lead | 膛喉 | |
| Leadfouling | 铅垢 | |
| Leadfouling | 铅垢 | |
| Leadshaving | 削弹头 | |
| Leadshaving | 削弹头 | |
| Leveling | :校平 | |
| Leveling | :校平 | |
| Leveling | :校平 | |
| LeverBlocks | 手扳葫芦 | |
| Leveraction | 杠杆式枪机 | |
| Leveraction | 杠杆式枪机 | |
| LibraryShelfSystem | 图书货架系统 | |
| Lift-Sliding | 升降横移式 | |
| LiftTable | 升降台 | |
| Liftingtailgate | 升降尾板 | |
| LightDutyRack | 轻型货架 | |
| LightSource | 光源 | |
| LimitSwitch | 接近、限位开关 | |
| LineshaftDiverter | 斜导轮式分拣机 | |
| LivePalletRackSystem | 重力货架系统 | |
| Load | 装药剂量 | |
| Load | 装药剂量 | |
| LoadWeighingDevices | 称量装置 | |
| Loadedchamberindicator | 上膛显示杆 | |
| Loadedchamberindicator | 上膛显示杆 | |
| Loadinggate | 装弹口盖 | |
| Loadinggate | 装弹口盖 | |
| Loadingport | 装弹口 | |
| Loadingport | 装弹口 | |
| Loadingpress | 装弹压床 | |
| Loadingpress | 装弹压床 | |
| Lock | 枪机 | |
| Lock | 枪机 | |
| Lockingflaps | 闭锁活板 | |
| Lockingflaps | 闭锁活板 |

