&spancss=”ntext_kw12”>&/span>道&spancss=”ntext_kw20”>&/span>炼&spancss=”ntext_kw0”>&/span>越往&spancss=”ntext_kw16”>&/span>越困难&spancss=”ntext_kw0”>&/span>&spancss=”ntext_kw20”>&/span>炼耗费&spancss=”ntext_kw1”>&/span>时间和资源也越多&spancss=”ntext_kw4”>&/span>&/p>
&spancss=”ntext_kw2”>&/span>般&spancss=”ntext_kw12”>&/span>&spancss=”ntext_kw17”>&/span>&spancss=”ntext_kw0”>&/span>从&spancss=”ntext_kw12”>&/span>&spancss=”ntext_kw17”>&/span>&spancss=”ntext_kw2”>&/span>重突破&spancss=”ntext_kw18”>&/span>&spancss=”ntext_kw12”>&/span>&spancss=”ntext_kw17”>&/span>二重至少需要半年&spancss=”ntext_kw1”>&/span>时间&spancss=”ntext_kw4”>&/span>&/p>
而&spancss=”ntext_kw7”>&/span>&spancss=”ntext_kw8”>&/span>&spancss=”ntext_kw0”>&/span>仅仅用&spancss=&#x