?围网渔船    roundhaul netter

?梁弧高,梁拱高    round-up of beam

?逃生路径    route of escape

?垫片    rove

?纱束    roving

?纱束布    roving cloth

?列    row

?划桨船    row boat

?桨架    row lock

?桨架    row lock (or oarlock)

?铆钉行,铆钉排    row of rivet

?划船    rowing vessel

?顶桅支索    royal backstay

?顶桅帆桁吊索    royal lift

?顶桅    royal mast

?顶桅支索    royal stay

?最上桅桁    royal yard

?顶桅帆桁    royal yard

?每分钟转数    RPM (= revolution per minute)

?苏联验船协会    RS (= Register of Shipping of U.S.S.R.)

?放射线透过检查    RT (= radiographic testing)

?橡皮,橡胶    rubber

?橡皮艇    rubber boat

?橡皮舟    rubber dinghy

?橡皮碰垫    rubber fender

?橡皮软管    rubber hose

?橡胶绝缘电缆    rubber insulated cable

?衬橡胶轴    rubber lining shaft

?橡皮垫    rubber mat

?橡皮迫紧    rubber packing

?橡皮地砖    rubber tile

?橡皮管    rubber tube

?龙骨耐摩护板    rubbing (or slab) keel

?防擦板    rubbing strake (or strip)

?防擦板,耐摩板    rubbing strake (or strip)

?垃圾筒    rubbish shoot (or chute)

?舵    rudder

?舵柄    rudder (or steering) tiller

?舵角    rudder angle

?舵角指示器    rudder angle indicator

?舵面积    rudder area

?舵臂,舵肋    rudder arm