单词	spacing of frame
释义	spacing of frame 肋距
随便看	fixed filter unit fixed fin fixed finger fixed fire alarm system fixed fire extinguisher fixed fire extinguishing system fixed fire extinguishing system (ffes) fixed fire-extinguishing unit fixed first order of arragement fixed flange fixed flap fixed flashing light fixed flat-bed platen fixed flat conveyor fixed fluidized bed fixed fluidized-bed reactor fixed foam generator fixed focal length fixed focus fixed-focus fixed focus camera fixed-focus camera fixed focus enlarger fixed-focus lens fixed focus lens 悢患患1 患2 患3 患4 患得患失患至呼天患难与共患难之交周忌周旋周期周期律周期的周波周波数周産期周知周章