1?￠?í?¤?í￡o128 ?à0.5mm ?í?¤3¤?è500 +3 m
2?￠?í?¤·??ò￡o?°ê21????±×????è3??￡
3?￠ó??2μ????￡
4?￠?ó2μ?úòa?ó￡o
a?￠??ò??ú??μ￥êyá?μ?30%?ü1??2μ?ú￡?
b?￠?ó2μ′|?úí?°??y?D￡?
c?￠?ó2μ′|òa?óí?°?????2???μt?òó?36mm?íí??÷?o?3′?á????ó2μ￡?
d?￠3é?·??????ó?í??÷?o′??3ìù?￡
5?￠ê??í??D?òa?ó￡o
a?￠?ú|?76+2 -0mm,?T??±?￡?2?±?D?￡?
b?￠??D??í?è??2?·??§0~2mm￡?
c?￠2éó?ía1o??D??￡
