A stretch of road outside one former army base, which offers target practice to anyone who walks in, was packed with cars.
一个从前的陆军基地外的一段公路现在成了靶场，谁想来这里练习射击都可以，靶场外挤满了汽车。
This paper introduces the working principle and controlling characteristic and studies the PID control models of the force and displacement of the rotary Stretch-bending former.
介绍了转台拉弯机的工作原理及控制特点，研究了其力和位移的PID控制模型。
This paper introduces the working principle and controlling characteristic and studies the PID control models of the force and displacement of the rotary Stretch-bending former.
介绍了转台拉弯机的工作原理及控制特点，研究了其力和位移的PID控制模型。
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