회유선

Excursion Boat

회전계

Tacometer Revolution Indicator

회전공기펌프

Rotary Air Pump

회전대빗

Radial Davit

회전드럼열교환기

Rotary-drum Regenerator

회전력

Turning Force

회전륜

Turning Wheel

회전방향지시기

Revolution Telltale, Direction Indicator

회전속도계

Tacometer, Revolution Indicator

회전수누적계

Revolution Counter