单光束贝克曼气体分析仪的英文

single-beam beckman gas analyzer

• 单:    singular number fa ...
• 光束:    light beam a surna ...
• 贝:    cowry; cowrie; she ...
• 曼:    a surname
• 气体:    gas; gaseous fluid
• 分析:    analyse
• 仪:    appearance; bearin ...