英语词汇“swallow hole”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	swallow hole
释义	swallow hole 英?[?sw?l?u h?ul] 美?[?swɑlo hol] 释义石灰坑英英释义 Noun 1. a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
随便看	four point suspension four point suspension spreader four point switch four-point switch four point walking four-point walking fourpole four pole four-pole four-pole admittance four pole admittance four-pole circuit four-pole coefficient four-pole double-throw four pole dynamo four pole equivalent network four-pole gas analyzer four pole generator four-pole generator four pole motor four-pole motor four-pole network four-pole network, electric four pole network measuring unit four pole parameter

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swallow hole