单词	垂直矢量
释义	垂直矢量perpendicular vector
随便看	penetration test grease penetration testing penetration theory penetration turn penetration twin penetration--twin penetration voltage penetration wave survey penetration welding penetration 〔of grease〕 penetration， barrier penetration， beta penetration， control-rod penetration， deep penetration， depth penetration， intergranular penetration，virus penetrative penetrative cleavage penetrative convection penetrative downdraft penetrative foliation penetratively penetrativeness penetrative (slaty) cleavage