相关短语
knock (intensity) indicator爆震器；爆震强度指示器
knock down击倒，拆卸，拍卖出拍板成交
knock down export拆散出口
knock for a loop猛击，打昏，把...醉倒，给...极好的印象
knock for knock agreement各自负责协议
knock for six彻底打败，彻底打碎
knock head叩头
knock indication instrument爆震器
knock indicator爆震器
knock into撞上