短語(yǔ)詞組短語(yǔ)buffer return spring 緩沖器複位彈簧buffer r spring case 緩沖彈簧箱buffer piston spring 緩沖器活塞彈簧Buffer r Spring 緩沖彈簧buffer ring spring housing 緩沖器環(huán)狀彈簧套筒buffer ring spring 緩沖環(huán)簧long buffer spring 長(zhǎng)緩沖簧butt plate buffer spring 托底板緩沖簧buffer spring adjuster 皮圈彈簧調(diào)節(jié)器 返回 buffer spring