单词	势能水头
释义	势能水头potential head
随便看	optical spectrograph optical spectrometer optical spectrometry optical spectroscope optical spectroscopy optical spectroscopy; spectroscopy optical spectrum optical spectrum analyzer optical spectrum instrument optical spectrum; spectrum optical speed optical spin orientation optical splice connector optical splitter optical spot-size converter optical spotting optical square optical squeezing optical ssb modulation optical star network optical stereo model optical stereoscopic image optical storage optical storage and retrieval optical storage buffers