“expansion shield”的概念、定义、翻译、参考文献-科学参考

单词	expansion shield
释义	expansion shield [ik`span·shǝn ´shēld] ^{DESIGN ENGINEERING} An anchoring device that expands as it is driven into masonry or concrete, pressing against the sides of the hole.
随便看	Acheulean achiasmate achievement age achievement quotient achilary Achilles Achilles group Achilles jerk Achilles tendon Achilles tendon reflex achiral molecules achlamydeous achlorhydria achluophobia Acholeplasma Acholeplasmataceae acholia achondrite achondroplasia achondroplastic dwarf achordate achreocythemia achroglobin achroite achromasia

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