吡咯赖氨酸插入元件
pyrrolysine inserting element
硒代半胱氨酸插入元件
SECIS
selenocysteine insertion sequences SECIS
铌酸钠钡倍频元件
barium sodium niobate frequency doubling component
判定元件
decision element
aliphatic alcohol ethoxylates
配电网元件
distribution network element
配电自动化元件
distribution automation component
喷油泵元件
fuel injection pump component