单词	coal geography
释义	coal geography 煤炭地理学
随便看	Single Sided Band single sided bed single-sided bed single sided board single-sided board single-sided copper-clad laminate single-sided copying single-sided corrugator single sided disk single-sided disk single sided diskette single-sided diskette single-sided distribution frame single sided double density single sided double-density diskette single-sided double-density diskette single-sided double-density floppu disk drive single-sided double-density floppy disk drive singlesided doubledensity minifloppy disk drive single-sided electrically linear motor single-sided field system single sided film single-sided floppy disk single-sided forms erection single-sided frequency transmission