1·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.
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。
2·The PST slide provides smooth precise linear motion with high accuracy at twice the thrust of a single bore cylinder.
PST的幻灯片提供平滑精确的以两倍于一个单一的缸孔精度高推力直线运动。
3·If shoulders, snap rings etc. are not used for axial location, the housing bore can be produced easily and particularly economically.
如果肩膀等单元的环轴向定位不使用，住房孔，可以很容易制作，特别是经济。
4·Various bearings of the same design may thus be constructed having the same bore but different load-carrying capacities.
同样设计的相同轴承虽的构建有相同的孔，但承载能力不同。
5·The stem has a slightly smaller diameter than the valve bore.
阀杆的直径略小于阀体孔的直径。
1·Scientists also used bore needles to collect samples.
科学家们也用钻孔的针头来采取样本。
2·They can also be used to drill, bore, cut gears, and produce slots.
他们也可以用于钻、钻孔、切槽的齿轮，和生产。
3·Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
基于钻孔过程中瓦斯动态涌出的基本特点，建立了钻孔瓦斯动态涌出量的理论计算模型。
4·These provide access to the central bore of the well underneath most of the heavy valves which should have closed off the flow of oil, but for some reason did not.
这些为连接在许多沉重的真空阀下的钻井中心的钻孔提供了条件。这些真空阀本应该阻止石油的外泄，但出于某种原因没有做到这一点。
5·Some problems of bore grouting engineering for coal gob area are discussed in this paper.
文章对煤矿采空区治理工程中的钻孔注浆问题进行了讨论。