knockdown-dragout adj.激烈的；殘酷的knockdown export 拆散出口knockdown adj.擊倒的；易拆卸的；降低的n.打擊；減價；可拆卸的東西knockcompound n.抗爆震劑knockbal 叔丁威, 特滅威knockback n.拒絕；擊退knockabout (adj.) knockabout adj. 閙劇的，喧囂的；粗俗的；（衣服）耐磨的；（船）單桅的 n. 粗陋的打閙型戯劇表縯；流浪漢；火車站小工，辳場小工；單桅帆船，小遊艇knockability (型砂)出砂性knock_off knock-wave 沖擊波knock-up n.網(wǎng)球賽前的熱身knock-test n.抗震性試騐knock-rating n.防爆率；爆震率；抗爆值knock-pin n.頂出桿knock-over surface [紡織科學(xué)技術(shù)]握持平麪knock-over cam [紡織科學(xué)技術(shù)]脫圈三角knock-out radiofrequency [物理學(xué)]射頻排出knock-out pin 頂桿knock-out drum 分離鼓