roof panel (roofing panel), special cross-section
显像管玻壳专用磨料
special abrasive grain for kinescope tube
暂无补充释义。
special abrasive grain for kinescope tube
暂无补充释义。
roof panel (roofing panel), special cross-section
special drawing rights (SDR; SDRs) ; paper gold
special class
particular / special requirement
special trade【贸易】
special
special discount rate
single special frontier node【计】