F hold forward 拉住前
In this paper, we calculate and analyze the strength of the hold frame of a 30000 DWT multipurpose ship by 3d f.
本文对30000吨多用途船船体舱段强度进行了有限元直接计算分析。
In this paper, we calculate and analyze the strength of the hold frame of a 30000 DWT multipurpose ship by 3d F. e.
本文对30000吨多用途船船体舱段强度进行了有限元直接计算分析。
Donald F. Duncan Sr. first saw yo-yos in action around the time Flores began to hold competitions.
楼老唐纳德·邓肯第一次看到在行动溜溜球左右的时间弗洛雷斯开始举行比赛。
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