... 虹吸式屋面雨水 排水系统 siphonic drainage systems ofroof 虹吸满管压力流 full-bore flow 虹吸式雨水斗 siphonic roof outlet ...
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Full bore flow should be ensured while circulating various chemicals.
满管流量应该在药品循环期间得到保证。
Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.
流道孔径与阀门公称通经，基本相同的为全通径式；流通孔径比阀门公称通经小的称为缩径式。
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