其中最有效的方式就是准备。
其中最有效的就是适当加大“C”节流器的流量和改变放油针油槽的结构设计。
The most effective measures are enlarging the discharge of the "C" throttle unit and modifying the structure of the metering pin oil groove.
许多方法至今一直是科学研究的对象，这意味着研究人员一直试图探明其中最有效的方法。
Many have now been subjected to scientific study, meaning that researchers have tried to see which ones work best.
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