cooper-hewitt lamp玻璃管: glass tube汞弧灯: mercury-arc lamp库珀一海威特灯，玻璃管汞弧灯: cooper-hewitt lamp汞弧灯: mercury arc lamp; mercury-arc lamp玻璃管型汞弧整流器: glass tube mercury-arc rectifier下载手机词典可随时随地查词查翻译
