有敲击式、螺旋钉式、内六方螺钉式三种结构形式供选择；

The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.

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在常规弧焊回路中采用了连续波和脉冲敲击式等不同的激励方式获得电弧超声信号。

For arc ultrasonic excitation, both the continuous and the pulse signal was separately applied to the test system including a conventional arc welding circuit.

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烤鱼用的是也门式的烤法，先把鱼剖成两半，然后把剖开的鱼在火炉壁上敲击，直到烤成焦脆。

The fish was barbecued Yemeni-style by slicing it in half, smacking the whole thing against the walls of a fire pit and baking it to a black crisp.

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