单词	抽水孔
释义	抽水孔 suction eye
随便看	double stacked mould double stacking method double stack mold double stacks double stack system double stack technology double stadard double stadiometer double-stae compass doublestage double stage double-stage double-stage ageing Double-stage aging double-stage air pump double stage ammonia compressor double-stage ammonia refrigerating machine set double-stage boosting for feed-water system double stage compression Double-stage compression Double-stage Compression double-stage compressive refrigerating system double stage compressor double-stage compressor double-stage control