“slow-spiral drill”的概念、定义、翻译、参考文献-科学参考

单词	slow-spiral drill
释义	slow-spiral drill [`slō ¦spī·rǝl `dril] See <<low-helix drill>>
随便看	shale shale ball shale break shale clay shale crescent shale ice shale naphtha shale oil shale reservoir shale shaker shalification shallot shallow-focus earthquake shallow fog shallow fording shallow inland seas shallow marginal seas shallows shallow water shallow-water wave shallow well shaluk shaly shaly bedding shamal

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