통풍트렁크

Ventilation Trunk

통풍플랩

Ventilating Flap

투광기

Projector

투묘

Let-go-anchor

투수율

Permiability

투시도

Perspective Drawing

투양묘시험

Anchoring Test

투양묘장치

Anchoring Gear, Anchoring Equipment

투영

Projection

튕김

Spatter