结合工程设计实践，讨论了两种方法的不同特点，提出了打孔抽汽和压力匹配器联合运行是一种简单实用的方法，建议在实际工程中积极选用推广。
Combination operation with a holing-extraction and press regulator is a simple and practicable way by analyzing the practical project and two way features, and it should be broadly used in practice.
任务应该与你的能力水平相匹配——不要困难到使你感到压力，但也不要容易到使你感到无聊。
The task should be matched to your ability level—not so difficult that you'll feel stressed, but not so easy that you'll get bored.
功率的选型是在满足工作压力和容积流量的条件下，供电容量能满足所匹配驱动电机的使用功率即可。
The power of the selection is in meet the job pressure and volume flow conditions, power supply capacity that can satisfy matching the use of driving motor power can.
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