Direct rolling的相關資料：
臨近單詞
direct sum
direct
directing against individual differences
direct current high tension transmission
direct resistance-coupled ampli-fier
direct currerent plasma emission spectro
direct reading traffic recording equipme
Direct laryngoscopy with arytenoidectomy
direct-indirect heat cylindrical drier
direct mechanical ventricular assistance
direct-current vacuum-tube voltmeter
direct-reading spectrochemical methods
