Strainer and bypass valve are extra equipment.

过滤器和旁通阀是另外的装备。

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Apart from the need for extra equipment, this approach poses various problems.

不仅需要额外的设备，这种方法还会引起各种问题。

youdao

Yeah, that's right. I'd also like to know how much extra equipment I'd have to purchase.

是这样的。同时我还想知道我还得购置多少附件设备。

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By creating an ad hoc network, the XDJ-AERO can sync with up to four Wi-Fi enabled devices at once, without the need for any extra equipment.

ENGADGET: Pioneer's new WiFi-enabled XDJ-AERO controller says goodbye wires, hello dancefloor (video)

NASA. Dr Lee and his researchers will end up with extra equipment, and, while using it, they will also be able to evaluate the design of the lander.

ECONOMIST: Planetary pretenders

Once their colleagues in orthopedic surgery saw the plan in action, they bought extra equipment so that they, too, could set aside some operating rooms and set up a surgeon-of-the-week program.

FORBES: Magazine Article