词汇	束准直器
释义	束准直器 beam collimator
随便看	single-expansion steam locomotive single experience single experiment single exponential model single exponential smoothing single exposure single-exposure single exposure cassette single-exposure holographic interferometry single exposure interferometry single-exposure photography single-exposure printer single extended shaft single extent file single exterior-corridor layout single extra singleextraction single extraction single-extraction single-extraction non-condensing turbine single extraction system single extraction turbine single extruder single eye cutting single-eyed