CO2 (gas flow type) lasers
二氧化碳雷射(气流型)

• block-organized holographic memory
• block prism
• block reek
• block scheme
• block up
• Blondel
• blood cell analyzer
• bloomed lens
• blooming
• blow-by
• blowhole
• blow-off
• dial dial counter
• dial gaugge
• dial light
• dial micrometer
• dial needle
• dial of meter
• dial plate
• dial scale
• dial test indicator
• dialyte [lens]
• dialyzer
• diamagenteic anisotropy
• diamagentic