单词	比较电路
释义	比较电路医subtraction circuit
随便看	material-balance material balance accounting material balance and thermal balance material balance approach material balance area material balance areaMBA material balance calculations material balance component material balance computation material balance constraints material balance control material balance data material balance equation material balance flowsheet material balance method material balance period material balance principle Material Balance Report material balance reports material balance sheet material balance statement material balance study material balancing calculation material ball cage material bank