单词	piping opening
释义	piping opening 输导管口
随便看	screening machinery screening machine with electromagnetic drive screening mammography Screening,Mandatory Screening,Mass screening material screening means screening measures screening method screening methods screening model screening modulus Screening,Multiphasic Screening,Mutagen Screening,Neonatal Screening,Newborn Infant Screening norm screening number screening nursery screening of active agent screening of aggregate screening of antagonist screening of antigen Screening of arsenic-rich water Screening of aspartame synthesizing strains