쌍안경

Binocular (Glass)

쌍추진기선

Twin Screw Vessel

쌍타

Twin Rudder

쌍플랜지

Spectacle Flange

썰물

Ebb (Tide), Falling Tide

쐐기

Wedge

쐐기불록

Marrying Wedge

쓰레기구멍

Chute, Shoot

쓰레기버림통

Rubbish Shoot

씨엔지 운반선

CNG Carrie : Compressed Natural Gas Carrier