under-effected 影響不足under-dispersion 低擴散under-cut 下切球under-current circuit breaker [動力與電氣工程]低電流斷路器欠流斷路器under-current 低電流under-cooling 過冷度under-constable 低級警察under-commutation 欠換向under-coating under-chassis 機腳,起落架,底盤under-capitalization 資本過少under-buy [法] 低價購買under-burnt lime [土木建筑工程]欠火石灰under-assigned adj.派工不足的under-annealing n.不完全退火under-ageing n.硬化不足under-actuated 欠驅(qū)動under-active adj.活化不足的；激活不足的under-achiever (n.) under-absorbed overhead [會計] 少分配制造費用