英语词汇“ballast tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ballast tube
释义	ballast tube ballast tube [′bal·əst ‚tüb] (electricity) A ballast resistor mounted in an evacuated glass or metal envelope, like that of a vacuum tube, to reduce radiation of heat from the resistance element and thereby improve the voltage-regulating action.
随便看	office of management and administration office of management and budget office of management and budget circular office of management assessment office of management & budget office of management, budget and evaluation office of management & budget management improvement program office of management controls office of management-employee services office of management engineer office of management information office of management planning and evaluation office of management systems and evaluation office of management systems and organization office of managing director office of manned space flight office of manpower & automatic training office of manpower automation & training office of manpower development office of manpower economics office of marine and aircraft operations office of marine and aviation operations office of marine and estuarine protection office of marine ecosystem studies office of marine programs

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。