평균피치

Mean Pitch

평면끌

Flat Chiesel, Chipping Chiesel

평면도

Plan, Projected Pltform

평면브래킷

Plan Bracket

평면스카프

Plan Scarf

평면위치지시기

Plan Position Indicator : PPI

평면필릿용접

Flash Fillet Weld

평면항법

Plan Sailing

평삭기계

Planing Machine

평삭밀러

Planomiller