不可或缺的重要
indispensable part of───不可或缺的一部分
equally important───同样重要
terribly important───非常重要
vitally important───极其重要的
considerable importance───相当重要
hugely important───非常重要
indispensability───n.不可缺少；必要；责无旁贷
indispensably───adv.必不可少地；绝对必要地
particularly important───尤为重要；特别重要
Boiler is anindispensably importantpower equipment in industrial process of chemical, oil and power generation.───锅炉是化工、炼油、发电等工业生产过程中不可或缺的重要动力设备。
Construction of a harmonious university library is anindispensably importantcomponent for establishing a harmonious university.───和谐型高校图书馆的建设是构建和谐校园的不可或缺的重要组成部分。
At the present, quality of life instruments have been widely used in fields of society, and become theindispensably importantindicator and evaluation tool.───生命质量目前已广泛应用于社会各领域，成为不可或缺的重要指标和评定工具。
The sympathetic vibration of the building and the blasting sympathetic vibration is anindispensably importantfactor in the safety criteria.
Warming-up is anindispensably importantlink of boy football selective course in colleges and universities.