Terms containing main element

Subject	English	Chinese
tech.	diagram showing the main geochemical processes and their pathway of elements	元素主要地球化学作用及途径图
hydroel.st.	main components and elements	主要零部件及结构件
tech.	main controlling element	主控制元件
f.trade.	main element	主要内容
eng.geol.	main element	主单元
avia.	main element	主要元素
avia.	main element	主振子
f.trade.	main element	要素
met.	main group element	主族元素
avia.	main storage control element	〔计〕主存储器控制元件
comp.	main storage control element	主存储器控制部件
avia.	main-element	主成分
busin.	taxation system with a value-added tax as the main element	以增值税为主体税种的税收制度
busin.	the main element of taxes	主体税种