单词	nickelines
释义	同nickeline
随便看	external flag，ef external flow external flow vehicle external flue external fluidized bed heat exchanger external focusing external focusing telescope external focussing telescope external force external force feed external force field external fragmentation external frequency external friction external frontal crest external fuel pump external function external function call external function--exf external function reference external function store external function store，efs external function testing external function translator external function translator--eft