?轴承温度,承受温度    bearing temperature

?节拍    beat

?拍频,差频    beat frequency

?蒲福风级    Beaufort scale

?索环    becket

?床,台    bed

?底板,座板    bed (or sole, or foundation) plate

?床头灯    bed lamp

?床头灯    bed light (or lamp)

?床铺    bed stead

?艉斜桅滑车    bee blocks

?装甲背板    behind armor

?[螺桨]船后效率    behind efficiency

?[螺桨]船后试验    behind test

?系索栓    belay pin

?系索扣    belaying cleat (or cleat)

?钟架    belfry

?铃,号钟    bell

?插承接合    bell and spigot joint

?令簿    bell book

?打钟浮标    bell buoy

?双臂曲柄    bell crank

?钟形口    bell mouth

?四单轮滑车组    bell purchase

?钟形汽笛    bell whistle

?风箱,皮老虎,伸缩囊节    bellows

?桅加强拉条    belly stay

?带装甲    belt armour

?带式运送机    belt conveyer

?带式输送机    belt conveyer

?皮带驱动    belt drive

?皮带驱动    belt driving

?皮带轮    belt pulley

?边界元素法    BEM (= boundary element method)

?工作台,凳    bench

?试台试验    bench test

?台钳    bench vice

?结绳法    bend of rope

?弯[曲]机    bender

?弯曲    bending

?曲型    bending form

?弯曲机    bending machine