These valves have four or five pipe connections, commonly called ports.

这些阀门有四个或五个管道连接，通常称为端口。

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The comparison of technical performances and economic cost have been made among five pipe materials of more representative to show the advantages and disadvantages of different materials.

针对可供选择的五种比较有代表性的管材，分别进行了技术特性、经济造价的比较，明确了参比管材的优缺点。

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My mother, her hair buzz-cut a half centimeter all over, hadn't been in our house for more than five minutes when Raylou decided to pipe up.

我的母亲满头头发不过半厘米，在蕾露开始欢迎她后不到五分钟，她就在屋里呆不住了。

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In their stolen SUV they had five pipe bombs and a pressure-cooker explosive like the ones that blew up at the marathon, Kelly said.

NPR: Police: Boston Suspects Planned To Attack New York

The suspects threw one grenade and five pipe bombs at police chasing them, one FBI and one Department of Homeland Security official told CNN.

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New York police said on Thursday the Tsarnaev brothers had concocted a spur-of-the-moment plan to drive the hijacked car to Times Square and detonate their remaining explosives: a pressure cooker device and five pipe bombs.

BBC: Boston Marathon bombing suspect moved to prison