A newly developed pipeline plug is composed of a central pipe, balloon, piston, spring, clamp, backplate, inside and outside joints, connecting plate and a wedge key.
开发的新型管道封堵器由中心管、气囊、活塞、弹簧、夹板、护板、内接头、外接头、连接板和楔键等组成。
The invention also includes the lock-in device with the bound piece and the reset spring, which ensures the right press of the contact, improves the capacity of connecting and breaking.
所述的自动转换开关还设有包括一个限止件和一个复位弹簧的锁定装 置，有效的保证了触头的压力，使接通与分断能力有了较大的提高。
Metal loop (usually aluminum) with a spring-loaded gate on one side used for connecting various parts of a climbing system.
一侧有弹簧门的金属环状物(通常为铝)，用于连接攀登系统的各部分。
The transition pedal mechanism comprises a transition pedal, a gas spring, a cross rod, a connecting rod, and an upper and a lower sleeves of a movable rod.
所述过渡踏板机构包括过渡踏板、气弹簧、横杆、连接杆以及相互套接的活动杆上套管和下套管；
Metal loop with a spring-loaded gate on one side used for connecting various parts of a climbing system.
一侧有弹簧门的金属环状物，用于连接攀登系统的各部分。
The tie-untie piece is either connecting pieces of press spring clip connecting piece or a nylon fibula, etc. and a zipper selects a metal zipper.
系脱件为压簧卡连接件或尼龙搭扣等任一连接件，拉线选用金属链。
The four-spring rectangle chest-expander has the function of the existing chest-expander with single spring ends connecting handles, and besides, has the functions of bending elbows and drawing chest.
它除了有现有的单簧两端连接把手的臂力器的使用功能外，也能做屈肘、收胸的运动。
A sensor is fixed to a frame of the loom through a connecting rod and a support, and the sensor is pressed on a licker-in roller through the connecting rod by a torsion spring.
其主要采用传感器通过连杆和支架固定在织机的机架上，扭簧通过连杆使传感器压在刺毛辊上。
The outer surface of the bracelet ring is coated by gold, silver and decorative coating. The connecting device can adopt a spring or a snap buckle sheet.
手镯环为中空环形结构，采用硬塑或轻金属，外表面镀（涂）金、银及装饰涂料。
The outer surface of the bracelet ring is coated by gold, silver and decorative coating. The connecting device can adopt a spring or a snap buckle sheet.
手镯环为中空环形结构，采用硬塑或轻金属，外表面镀（涂）金、银及装饰涂料。
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