“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	user mode user program user-programmable memory user-to-user service user-written code U-shaped abutment U-shaped distribution U-shaped valley using agency Usneaceae usnic acid usninic acid USP acid test U stage Ustalf Ustert Ustilaginaceae Ustilaginales Ustoll Ustox Ustult UT 0 UT 1 UT 2 utahite

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