Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.

注意：在泵排泄口，首选的止回阀是管内弹簧负载，带杠杆和压铁或杠杆和弹簧的旋启式止回阀。

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NIBCO swing check valves are available with an outside lever and weight. The lever and weight arrangement is used to maintain exterior control over disc movement.

尼伯科旋启式止回阀可配置外部操纵杆和压铁。操纵杆和压铁用于对阀瓣进行外部控制。

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The directly connected blade adopts Lever-swing cutting type.

进口电机直联锯片，采用杠杆摆动形式切割；

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And even though the seats adjust for height, they don't move, so swing a lever under the dash, and you can adjust the entire Tilton pedal box.

BBC: Trick of the light: A California road trip

The face also contains a secret lever that makes the wall swing open to reveal a snug bedroom with an extra-long full-size Murphy bed that folds down when you pull the nose ring of another Mayan sculpture this one of a maternity goddess (hmmmm).

FORBES: The Best Place To Laugh At The Mayan End Of The World (Unless They Were Right): The Roxbury Motel In New York