This work is reposted from the original designer:Daniel López Velasco & Ithzel Libertad Cerón López
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有防止血液回流吗
感觉液体会沾壁,剂量准确吗
这个可以把里面的液体都完全注射吗
传统注射器在注射前都有抽取药液的动作,这个新注射器怎么解决?一种药用一根针管?
很厉害
支持环保设计
看着有点吓人