
axjxl wrote:
不知楼主是不是要如图所示的部分,是的话我就说说方法
axjxl wrote:
不知楼主是不是要如图所示的部分,是的话我就说说方法
liuhanyimei wrote:
瓶胚模是干什么的

吉吉158 wrote:
那厚薄的壳怎么做啊?我觉得这是个问题啊!!!



柳暗花明 wrote:
兄弟把关系试说一下
snowy_man wrote:
sdx=30+10sin(trajpar*360*5)
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