Appendix B : Premium Actuated Valve Part Number Selection for configuration and accessory options.
请参阅附录 B: 高级执行机构阀门型号选型了解配置和附件备选件.
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The Type A is also the lowest cost actuated valve available, which helps the bottom line.
型夹管阀也是所有执行机构驱动阀门中成本最低的选项, 这有助于最大限度降低成本.
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