“aerator”的概念、定义、翻译、参考文献-科学参考

单词	aerator
释义	aerator [`e´rād·ǝr] ^{DESIGN ENGINEERING} A tool having a roller equipped with hollow fins; used to remove cores of soil from turf. ^ENGINEERING 1. One who aerates. 2. Equipment used for aeration. 3. Any device for supplying air or gas under pressure, as for fumigating, welding, or ventilating. ^{MECHANICAL ENGINEERING} Equipment used to inject compressed air into sewage in the treatment process. ^METALLURGY A device which decreases the density of sand by mixing it with air, thus facilitating the movement of sand particles in packing.
随便看	wedge bit wedge bonding wedge core lifter wedge filter wedge photometer wedge product wedge reaming bit wedge spectrograph wedging wedging bit weed week weep hole weeping core weeping spring weevil weft weft knitting Wegener's granulomatosis Wehnelt cathode wehrlite Weibull distribution weibullite Weierstrass' approximation theorem Weierstrass functions

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