“gradation period”的概念、定义、翻译、参考文献-科学参考

单词	gradation period
释义	gradation period [grā`dā·shǝn ´pir·ē·ǝd] ^GEOLOGY The time during which the base level of the sea remains in one position. Also known as base-leveling epoch.
随便看	Weizäcker-Williams method weld weldability weld bead weldbonding weld decay weld delay time welded tuff welder weld gage welding welding current welding cycle welding electrode welding force welding generator welding ground welding machine welding rod welding schedule welding sequence welding stress welding tip welding torch welding transformer

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