“poling board”的概念、定义、翻译、参考文献-科学参考

单词	poling board
释义	poling board [`pōl·iŋ ´bȯrd] ^{CIVIL ENGINEERING} A timber plank driven into soft soil to support the sides of an excavation.
随便看	direct drive direct-drive approach direct-drive arm direct-drive vibration machine direct dye directed angle directed graph directed line directed number directed set direct effect direct electromotive force direct energy conversion direct-entry terminal direct-expansion coil direct extrusion direct-feedback system direct fire direct-fire direct-fired evaporator direct-gap semiconductor direct-geared direct grid bias direct hierarchy control direct-image offset system

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