欠压
undervoltage
欠压保护
undervoltage protection
欠压继电器
undervoltage relay
前激肽释放酶
prekallikrein
强迫释放犯人
jail delivery
丘脑下部促垂体释放因子
hypothalamic hypophysiotropic releasing factor
欠
lack of; not enough; owe
欠饱和流体
undersaturated fluid
欠补偿
under compensated
欠场同步电动机
permanent-field synchronous motor
欠处理
undercuring
欠处治
undercuring
欠单
accommodation kite; accommodation note; accommodation paper
欠电子
deficit electrons
欠叠
underlap
欠对准
misalignment
欠发达国家
less developed countries
欠付工资
back pay
欠付银行帐
bank ledger
欠功电驿器
underpower relay