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这些阀门属平衡型或具有双阀座结构。
结构为四柱导向,上压式,双油缸加机械平衡系统,保证了上下工作台之间的平行度。
The structure is four - pillar guide, up - packing, doublecylinder and machine balancing system. ensures the parallelism of upper and lower working sides.
采用双平衡混频结构进行设计,在射频端口实现宽带阻抗匹配,在本振端口选取合适的开关信号。
With the use of double balance mixer structure, we achieved wideband impedance match at RF port and selected appropriate switch signal at LO port.
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