beam lumen

基本解释

• [动力与电气工程]光柱流明
• [机械工程]光柱流明

英汉例句

权威例句

• Operators can also hold the switch down to run the flashlight in low mode, producing a 50 lumen light beam and a longer 12 hour runtime.
  ENGADGET: Explosion-proof flashlight could be the first to outlive its owner
• By pressing the switch once, the light operates in high mode to produce a full power 130 lumen light beam with a long 4 hour runtime.
  ENGADGET: Explosion-proof flashlight could be the first to outlive its owner

• beam lumen更多例句

专业释义

动力与电气工程

• 光柱流明

机械工程

• 光柱流明