Advertising pillars were turned into giant medical syringes.
2
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.
3
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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