广告柱子变装巨型的医用注射筒。
Advertising pillars were turned into giant medical syringes.
形成脊的突起(56)设在注射筒顶部和柱塞头中的一个上。
A protrusion (56) forming a ridge is disposed on one of the roof of the barrel and the plunger head.
本发明涉及医用注射器，具体是推广一种注射杆、注射筒和针头达到完全自毁的注射器。
The invention relates to an injector for medical purposes and particularly popularizes an injector which has an injection rod, a syringe and a syringe needle that can be fully self-destructed.
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