单词	movable tube-sheet
释义	movable tube-sheet 活动管板
随便看	phase alternation line system Phase Alternation Line system phase-alternation line system phase alternation line systempal phase-alternation line systempal phase-alternation line system pal Phase Alternation Line system, PAL system phase ambiguity phase-ambiguity phase ambiguity resolution phase amplitude balanced amplifier phase amplitude characteristics phase-amplitude characteristics phase-amplitude converter phase amplitude discriminator phase-amplitude discriminator phaseamplitude distortion phase amplitude distortion phase-amplitude indicator Phase Amplitude-matched phase amplitude method phase-amplitude method phase amplitude modulation phase-amplitude receiver phase-angle synchronizing