helical xenon-arc lamp
螺旋形氙弧灯

• washing
• washing agent
• washing/cleaning equipment
• washing solution
• waste fluid
• waste gas
• waste heat
• waste water
• watch
• watchdog
• watching
• water box
• water coolant
• water-cooled
• water cooling
• water ga[u]ge
• water glass
• water immersion
• water-immersion system
• water level
• water level ga[u]ge
• waterline
• water-of-ayr stone
• waterproof
• water tight