造纸公司要空气针和放射性同位素干什么?。
Why would a paper company need pneumatic needles with a radioisotope?
目的探讨无针密闭输液操作系统在放射性核素注射中的应用效果。
Objective To evaluate the effect of airtight transfusion system without needle for the patients injected with radioactive nuclide.
平头的植药针无损伤地将药物粒子（放射 粒子和化疗粒子）经穿刺外针的内芯直接推入病灶内。
The drug grafting trocar with a flat head pushes the drug particles (radioactive particles and interstitial chemotherapeutic particles) into a lesion through the paracentesis outer trocar.
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