衬套衬砖bushing: n. ＝bush2 . block: n. 1.片，块，大块；粗料，毛料；木料；石料；金属块； ...bushing block liner: bushing衬套adjustable bushing: 可调口模套arm bushing: 臂销衬套下载手机词典可随时随地查词查翻译
