Never cross the centerline except to pass.

除超车外，决不超越中心线。

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Specify required extension length from centerline of valve to handwheel.

注明从阀门中心到手轮的所需加长件的长度。

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This will support the heater on both sides and allow the peak of the roof to support the centerline.

其作用是支撑起加热器的两边，利用屋顶的尖顶支撑中心线。

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Just push the throttle forward, keeping the nose wheel on the centerline with rudder-pedal steering.

FORBES: Magazine Article

From a styling perspective, the taillights are designed in the form of an "E" that opens towards the vehicle centerline.

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