Movable spring feed-duct 可移动弹簧进料管
spring-suspended movable stripper 弹簧式可动卸料板
movable contact spring 动接点弹簧片
He base is provided with a movable spring, can absorb more than 98% of the vibration noise;
底座配有活动式弹簧，可吸收98%以上的振动噪音；
W is attached to a bar, movable vertically around an axis a and suspended by the helical spring F.
摆锤W装在一根杆上，在轴a周围垂直移动，它由螺旋弹簧f所悬挂。
The valve consists of an electromagnetic loop, a valve core, a replacement spring and a shell and the valve core consists of a retaining iron, a movable bar and a sealing pad.
它由电磁线圈、阀芯、复位弹簧和外壳组成，阀芯由挡铁，动杆和密封垫构成。
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