释义 |
undercast
undercast (ˈʌndəˌkɑːst) n (Civil Engineering) a passage of air under a road or mineundercast
undercast[′ən·dər‚kast] (meteorology) A cloud layer of ten-tenths (1.0) coverage as viewed from an observation point above the layer; the term is used in pilot reporting of in-flight weather conditions. (mining engineering) An air crossing in which one airway is deflected to pass under the other airway. |