The invention relates to a carbon nanotube preparing method, comprising the steps of: placing a substrate deposited with a catalyst layer on the surface in a quartz boat, which has an opening;
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She has won millions of views online after smiling continuously for half an hour during speeches at the opening ceremony of the Guangzhou Asian Games, which ran live on national television.
她在全国电视直播的广州亚运会的开幕式中,由于在演讲中保持足足一个半钟的微笑,赢得了网上观众的无数赞扬。
The metal shell has a main shell and at least an assembled opening which is arranged on the main shell.
该金属壳件具有一主壳体及至少一组装开口,该组装开 口设置于该主壳体上。
The hollow member (3) has an opening (32) which allows the transfer of the puncture needle (41) when the puncture needle (41) is transferred in the puncture direction (N1).
中空部件(3)具有开口部(32),该开口部用于在使穿刺针(41)沿穿刺 方向(N1)移动时允许穿刺针(41)的移动。
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