如果有被污染的血液残留在针的内孔或注射器里，然后有人使用它进行毒品注射的话，残留的血液可能会进入血液循环系统中。
If HIV infected blood remains within the bore (inside) of the needle or in the syringe and someone else then uses it to inject themselves, that blood can be flushed into the bloodstream.
方法：观察患者热针治疗前后的免疫球蛋白、甲襞微循环、肌电图、血液流变学的变化。
Methods Changes of immunoglobulins, nail-fold microcirculation, electromyogram and blood rheology of the patient before and after treatment were observed.
该控制器可以实现用选外循环数据去控制提花袜机的电子选针，并动态显示产量信息；
With this controller, the electronic needle selection can be controlled by selecting cycle data and the output message can be displayed dynamically.
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