통조림공장선

Canning Factory Ship

통풍

Draft, Draught, Ventilation

통풍계

Draft Gauge

통풍관배치도

Ventilation Plan

통풍댐퍼

Air Damper

통풍덕트(통풍로)

Ventilation Duct, Ventilation Trunk

통풍콕

Vetilation Cock

통풍통

Ventilator

통풍트렁크

Ventilation Trunk

통풍플랩

Ventilating Flap