词汇	flush coupling
释义	flush coupling 平接
随便看	two-stage risk two stage rocket two-stage rocket two-stage rotary air compressor two stage rubber two-stage rules extraction two stages two-stages two stage sample two-stage sample two stage sampling two-stage sampling two-stage sampling unit two-stage SBR two-stage SBR process two stage scintigraphy two-stage scintigraphy two-stages concentration two stage screw two stage scrubber two-stage scrubber two stages DEA-regression method two-stage seal two-stage seedling nurturing two stage selection