单词	buttress blade
释义	buttress blade 不对称梯形齿锯带
随便看	operating element Operating Empty Weight operating empty weightoew operating engine operating engineer operating enterprises operating envelope operating environment operating environmental conditions operating environmental temperature operating equipment operating error operating evaluation operating examination operating Excessive Voltage operating exchange capacity operating executive operating expenditure operating expenditure and receipt operating expense operating expense book operating expense budget operating expense deduction operating expense ledger operating expense ratio