词汇	still bottoms
释义	still bottoms 釜脚
随便看	beam-lifter beam lifting beam light beam lighting device beam lighting device, non-electric beam lighting device, rotating beam lighting device with built-in accumulator beam light output beam lights beamlike beam-like element beam-like lattice structure Beam-like structure beam-like truss structure beam limb beam-limited radar altimeter beam limiter beam limiter diode beam-limiting beam limiting aperture beam-limiting aperture beam limiting device beamline Beam line beam-line