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把反弹器向后拉，让它朝前弹。
Pull the receiver back and let it snap forward.
youdao
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计算了一个截面为方形的布撒器模型的机弹干扰情况。
A dispenser's model with rectangle cross section is calculated.
youdao
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计算了一个截面为方形的布撒器模型的机弹干扰情况。
A dispenser's model with rectangle cross section is calculated.
youdao