±?òμéè??￡¨????￡??aìa±¨??

1 ??ìaμ???μ??°òaò?
1.1 1ú?úía?t???úoí?t????ê?μ?·￠?1??×′
??ìúò?3é?aè??ò1?·oó|ó?μ??÷òa?ù′?2?á??￡ó??t??·?·¨éú2ú??2?￡???óDéú2ú?ê???￠?·???à?￠éú2ú1y3ìá?D?D????￠ò×óúêμ???úDμ?ˉoí×??ˉ?ˉμèó?μ?￡???90￡￥μ???2???ê?ó??t??·?·¨éú2úμ??￡
???°￡??ò1úò?òy??á?êà??é??÷òaμ??è???t???úDμoí?t????ê?￡?2￠?ú2???′′D??D?e2?í?1??￠ó|ó?oí·￠?1?￡?ò1úáù1?à??t?ú′óé?êà?í°?ê??ê′ú?e?í?ú1ú?ú3é1|??DD￡?μ???ê?ò?D?μ￥?ú?üμ??DD?Díà??t?ú?￡??è??tê?ò?êà?í￡?????·￠?1?ü?ó???ù￡??-??·￠?1í?·é?í??￡??????êá?°?′???Dè?óá???′ó?￡?ùò??D·￠′óDí???ùáù1?à??t?úè?μ?á??é?23é?¨?￡
?-1yá?3???×??·￠?1μ?3??t?ú￡?μ?20êà?í70?ê′ú3?￡?3??t?úμ??t1??±??ò???′óμ?á?1500 mm?￡′ó20êà?í80?ê′úò?à′￡?á??y??ê?μ?μ???′óμ?·￠?1￡?á??y±è′?μ?80￡￥é??á?ü??￡?á??yá??t1¤ò?oíéè±?ò2è??÷íêé?￡???21á??y?ú????oí1???·???μ?2?×??￡?ú??×?êD3??D??óD?àμ±′óμ?±è??μ?°?′???μ?Dè?óá???′ó￡?′???á??t?ú?ú?ü?êà′è?μ?á?·?3￡?ìμ?·￠?1￡??ú??ê?oí???ü·?????·￠?1μ?±è??3éêì?￡?ú?aD?·???￡?è?±?oíμ?1úò??±??×??úêà???°áD?￡?ò1ú?èoó′óá?1úòy??á?à??t?￠èè?téè±?￡??ú°?′???éú2úé?￡?2úá?ò?ê?êà??áì?èμ????￡?í??·￠?1?÷ê?￡?′???à?á??t?ú?y?ú?ò′óDí?ˉ?￠???ù?ˉ?￠?????èoí×??ˉ?ˉ·??ò·￠?1?￡?a?ú×?êˉóí?￠?o??μè3¤?àà?ê??íμ?Dèòa￡?ò??°?÷??1ü2?μ?ê1ó?￡???1üμ?Dè?óá?ò2′ó′óìá??￡???1ü?t?úμ?·￠?1ò2μ?μ?á?3¤í?μ???2?￡?20êà?í90?ê′ú?¨3éá?′ó?±??èè?t?T·ì??1@@§ò?à′￡??ò1ú??ò?óμóD?÷??èè?t??1üéè±?50óàì×￡?2ú?·?·??′?1 000?à???￡??×??ù′?éèê??¨éèμ?′óá|?a?1￡??÷??Dí??μ?Dè?óá?ò2′ó′óμ????ó?￡Dí???t?ú?ü?êà′μ?μ???′óμ?·￠?1?￡ì?±eê??ü30?êà′￡???2??t?ú?ú???ù?￠′ó?ì???￠??2úá??￠?????è·???óDá???′óμ?·￠?1?￡
1.2 ?t????ê?·￠?1?°?°
êà???t??1¤òμμ???ê???2??÷òa?ˉ?D?úéú2ú1¤ò?á÷3ìμ????ìoí?ò?ˉé?￡?×???D?3é?t2?D??ü???·?ê?ˉ?￠?·??1????à?ù?ˉ?￠????1üàí?????ú?ˉμè?￡?1í??′à′￡??t??1¤ò?oí??ê?μ?·￠?1???ü?ó???ù?￡