基本解释vt.预烧(预先点火)同根派生 prefire相关词英汉例句Avoiding ignitron prefire with a coaxial structure 同轴安装避免引燃管自闪prefire information 灾前资料prefire planning 灭火作战计划prefire situation inspection 灭火前环境状况的调查prefire survey 制定灭火作战计划前的调查prefire更多例句