内置式浮动销杆又由硬体滑杆和软体滑杆组成，浮动销杆只能在空心的握柄、弯力弹簧和空心的竿身套管内移动。
The built-in float pin rod comprises a hard and a soft slide rod, and moves only in the hollow holding handle, the bending spring, and the hollow casing for the rod body.
利用戳柄内弹簧和戳颈垫片，使之在操作时具有缓冲功能，以适应不同状态的被盖物。
The nail type signet has buffering function by making use of the inner spring of a signet handle and the shim of a signet neck to adapt the stamped objects of different states.
其特征是其结构与普通注射器相似，包括：注射器管、活塞、衬垫、弹簧、手持柄。
The epidural space puncture testing tube is characterized by being similar to the common syringe in structure and comprising a syringe tube, a piston, a gasket, a spring and a hand-held handle.
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