분쇄기

Crusher

분전반

Distribution Board,

분전상자

Distribution Board, Panel Board

분탄

Slack Coal

분필시험

Chalk Test

분할스테이션

Square Station

불감구역

Blind Section, Shadow Section

불규칙최대경사각

Lurch

불균일피치프로펠러

Variable Pitch Propeller

불꽃

Flare-up Light