???????????????5?

????:?????????:????????

????7?????????????18??????????? (? ??????????????????????????????)???????????????????????(?????)18????,????????????????????,????????????????,?????4.5?????5???

????7????????15???????,??30???,?3????????????,????????,??????,???10???????????????????????????

??????????????,????????????????,???

?,?????16???,??????,??????“????????????????????”??,???,????????

7??18???????,?????????????,?????????????????30???,???,??29??????????????,?????????“??????”“?????”“??????”??,??????“??????????”,???????????????????????????4??“??????”?????????????????????,?????????????,????????“?????????????????????????????”??????????????“?????????????”?

??,?,??“?????????”,??“?????????”,??????????????“?????”,?????,?????«????????»(GB19298-2014)??,????????????“??”???????

??????,???10?????,??????????????????«??»(GB19298-2014)????,????(??????3????????)???“??????????????????”??????????????????????,???????,??????????,????4.5?5??????????????

????,?????,???????????????????«??????“?????”?????»??????????????????????,????????????????(??) ??????:????