For this, the screw compressor gas regulation put forward higher request.
就此而言，对螺杆空压机的气量调节提出了更高的要求。
In some special occasions for metal hard seal butterfly valve seal put forward higher request, must be two-way under pressure.
在一些特殊场合对金属硬密封蝶阀的密封提出了更高的要求，必须双向承压。
Electricity market operation in power systems not only brings the huge economic efficiency, but also put forward higher request to power system stability.
电力市场的运营在给电力系统和社会带来巨大经济效益的同时，也对电力系统稳定运行提出了更高的要求。
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