英语词汇“pencil proton”的翻译、意思、用法、释义-英汉汉英词典

单词	pencil proton
释义	pencil proton質子窄束核能名詞
随便看	safetybelt safety belt anchor point safety belts safety belt,seat belt safety bicycle safety blade safety blasting cap safety block safety--block safety board safety bolt safety box safety brake safety-brake safety bulb safety bulb pipet safety bulb pipette safety buoyancy safety button safety by-pass switch safety cab safety cabinet safety cable safety cage safety call