平行于主测线方向的切面。的英文

inline intersection

• 平行:    of equal rank; on ...
• 主:    host
• 测:    survey; fathom; me ...
• 线:    thread; string; wi ...
• 方向:    direction; orienta ...
• 的:    4次方是 The fourth po ...
• 切面:    tangent plane sect ...