短语词组短语Upper bracket cover 上机架盖板Upper diaphragm cover 上膜盖upper inner cover 上隔板Upper rack cover 顶盖upper end cover 上端盖;翻译upper handwheel cover 上轮盖;上手轮盖Upper Damper Cover 油机减震器上盖upper ball cover 上轴承盖upper &cover 上盖 返回 upper cover