Rock Breaking Weight

쇄암용 중추

Repair Dock

수리독

Receiver, Receiving Set

수신기

Refrigerated Provision Chamber (Store)

식량냉장고

Rubbish Shoot

쓰레기버림통

RT : Radiographic Test

알티

Rock Wool

암면

Rock Wool Heat Insulating Material

암면보온재

Roll

압연

Rolled Steel

압연강