Round Bar Grating

환강격자

Ring Bulkhead

환상격벽

Reducing Flame

환원염

Recoverde Oil Storage Container

회수기름저장컨테이너

Rotary Air Pump

회전공기펌프

Radial Davit

회전대빗

Rotary-drum Regenerator

회전드럼열교환기

Revolution Counter

회전수누적계

Revolution Telegraph

회전수텔레그래프

Rotating Type Warning Signal Light

회전식경계신호등