“underdrain”的概念、定义、翻译、参考文献-科学参考

单词	underdrain
释义	underdrain [`ǝn·dǝr´drān] ^{CIVIL ENGINEERING} A subsurface drain with holes into which water flows when the water table reaches the drain level.
随便看	modulation code modulation crest modulation-doped field-effect transistor modulation-doped structure modulation envelope modulation factor modulation index modulation meter modulation rise modulation spectroscopy modulation transformer modulation with a fixed reference modulator modulator crystal modulator-demodulator modulator glow tube module modulo modulo N modulo N arithmetic modulo N check modulo-two adder modulus Siphonolaimoidea Siphonophora

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