Using of impulse section blade ensured its flow capacity with the axial thrust almost unchanged.

在保持轴向推力几乎不变的情况下，选用冲动式叶片保证了叶片有较好的通流能力。

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A new design method for large cross-section blade-like ultrasonic plastic welding horns with slots is pre-sented, and relative experiments have been done to validate this method.

提出了一种大尺寸长条形超声塑焊开槽焊头的设计方法，并对其进行了实验验证。

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Rinse the blade and repeat on the next section to avoid trapping debris under the blade that could scratch the glass.

用水将刀片重新干净，然后移到另一片区，防止刀片下可以刮伤玻璃的碎片。

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After a stretch in private practice, Bernstein landed a job with the FTC in 1970, where she impressed Pitofsky by bringing a case against a razor-blade company distributing samples in a newspaper's Sunday comics section.

CNN: Meet the FTC's unlikely enforcer