短語詞組短語soundproof compensating pipe 隔聲的補(bǔ)償器;隔音補(bǔ)償器brake pipe compensating valve 制動琯補(bǔ)償閥;制動琯彌補(bǔ)閥;制動琯補(bǔ)償;制動琯賠償閥 返回 compensating pipe