?T?ì?o??á?ê????°??±é2éó???*??1y??2?á?

?? ?T?ì?o?ó?'à'×?é??÷?ú3?oí??3?á?'ó?oì????üó?í?1?·o??êêó|·??§'ó???éó?óúéú??ò?ó???oí1¤ò?éú2úó???ò??°?÷??3?Dí????í¨?ì??3?????2??°èy2???3????÷??????1y???÷???????úD?1y???÷?°??1¤??ò±?e??èè??????ò????ì????ó?è???ê3?·?è??éú2ú?°oó?????ê'|àí???T?ì?o??á??ú1y??1y3ì?D?ù?e×÷ó???o??????±?óó°?ì×???1y?????ê??1ê??'???á???????*D?'???ò???????òa?ó?o????1???§D??ê?è?¨??2?o?óD?????ê???úò?°??áD?????D????DD????D?ù2?èü?a???ò??1?ò?êDaù?'????2?á?óD?T1???éú2ú??2ú?·?-?D1ú??'|àí??á??à???ì2a*D?2a?¨?o???á?éèü?ê?a0.68%?ú?÷àà???'?D?ù?é'???á?o???????D§1???????2á????ù?è??±è±í???y'ó???T?ì?o??á?ía1?3ê?ò×'??óDàa????1a?ó?èo????-?úD?????èy'?é?·???????·?o?óD1???ê???±ê???ù?è??êy(K60)2?'óóú1.5??2??ù?è??êy(K80)?ú1.6-2.0???????????ê'óóú50%??????3á???·??§D?óú???¨???Tá???°'??á???2?'óóú5%??'óóú???¨é??Tá???°'??á???2?'óóú5%???????T?ì?o??á?ó?í??oó?óúéúà¨?????°1¤ò???????1y??????'|àí??ê1ó?ê±?ù?Y??3???D?ê?è·?¨ê1ó?2?êy??ò?°???2???á????ì×°o??è?a300?a400mm;?y3????ù10?a14m/h?????????ù14?a1 8m/h;èy2???á??ì×°o??è450mm???y3????ù18?a20m/h?????????ù20??25m/h????3?·'?'2éó???3??'??????3??'?ò?¨ò?±í??3??'???T?ì?o??á?ê?ò?????'|àíDDò?1y??ó???á????T?ì?o??á?ê?2éó?*?ê?T?ì?o?a?-á?,?-?????é??·???é??è1¤ò??ó1¤??3éê???±é2éó???2???èy2??ì?ù1y??2?á???êêó?óúò?°??áD????DD???D???????'|àí????óDá?o???±è±í???y???÷????±ê?ù'????¨éè2?(CJ/T44-1999)±ê×????????T?ì?o??á?í?ê?ó?é°??á???o?ê1ó?ê??ò1úí?1?????2??ì?ù??3?oíèy2???3?????1T1y????*??2?á???ê?ìá?????ù???ó???????y3???á?oí3é±?ìá???????üá|?????í1¤3ì?ì??oí??éù???????y*óDD§??í?????1?·oó?óú??1¤??ò±?e??èè??????ò????ì????ó?è???ê3?·?èéú2ú?°oó?????ê'|àí1y3ì?D????±ê×??T?ì?o??á?2éó?*?êì??é?-?????????é??é????ó1¤??3é??ía1?1a?ó?èo???3ê?ààaD???á?×'???1?1?í??D?????ò?°?ó?óú??2?oíèy2?1y????