J41N Type PN40 steel globe valves: manual, flanged, straight-through, the valve seat sealing surface material as nylon plastic, nominal pressure PN40, carbon steel valve body material cut-off valve.

J 41 n型PN 40钢制截止阀：手动、法兰连接、直通式、阀座密封面材料为尼龙塑料、公称压力pn 40、阀体材料为碳素钢的截止阀。

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Unstructured tetrahedral meshes are used to simulate the flow field inside high pressure combined valves of a 600mw ultra supercritical steam turbine under the nominal condition.

采用非结构化四面体网格，对某600 MW超超临界汽轮机组高压主汽调节联合阀的额定工况进行了数值模拟。

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If the trade imbalance is sterilized and not allowed to affect the exchange rate, then there will be upward pressure on foreign prices and nominal incomes and downward pressure on U.S. prices and nominal incomes.

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