单词	DC corona
释义	DC corona 流电晕
随便看	difficult position difficult problem difficult separation coal difficult situation difficult situations difficult temperament difficult thing difficult to difficult-to-access difficult-to-control difficult-to-cut alloy difficult-to-detect difficult-to-find difficult to form difficult to handle difficult to machine job difficult-to-machine material difficult to obtain material difficult-to-predict difficult-to-reach difficult-to-teach difficult-to-treat difficult-to-understand difficult transport area difficult urination 䄆䄇䄈䄉䄋䄌䄍䄎䄏䄐エアバッグエアバッグ［air bag］エアブラシエアブラシ［airbrush］ 29453 29454 29455 29456 29457 29458