单词	gings
释义	同ging
随便看	dual element dual element fuse dual element sensor dual-emitter transistor dual energy subtraction dual energy subtraction imaging dual enrollment dual epistasy dual exceptionality dual exchange rate dual exchange rate system dual-exchange regime dual excitation dual facility approach dual fault tree dual federalism dual-feed dual feeding dual-field motor dual figures dual fin board dual flight dual flow choke dual-flow tray dual-focus x-ray tube