A more sophisticated pressure reducing valve incorporates a pilot valve which controls the fluid above the valve operating piston in response to downstream pressureThe bold and italic word “which” means （）.

A、a pressure reducing valve

B、a pilot valve

C、an operating piston

D、downstream pressure

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更多“A more sophisticated pressure reducing valve incorporates a pilot valve which controls the fluid above the valve operating piston in response to downstream pressureThe bold and italic word “which” means （）.”相关的问题

第1题

[单选题] If A small business customer has more sophisticated needs, which Cisco router portfolio would be the best choice?（）

A、7000 series routers B、integrated services routers C、small business pro routers D、small business routers

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第2题

[单选题] If A small business customer has more sophisticated needs, which Cisco router portfolio would be the best choice?（）

A、integrated services routers B、small business routers C、7000 series routers D、small business pro routers

点击查看答案

第3题

[多选题] Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks.Which two descriptions best define DWDM?（）

A、optical technology for transmitting up to 32 channels over multiple fiber strands B、optical technology for transmitting up to 16 channels over multiple fiber strands C、a WDM system that is compatible with EDFA technology D、a technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .