1·Ft beyond the vehicle centerline.
超越车辆中心线。
2·Don't crowd the centerline.
别聚集在中心线。
3·Position slowly toward centerline.
位置慢慢地飞向中心线。
4·Position quickly toward centerline.
位置迅速地飞向中心线。
5·Never cross the centerline except to pass.
除超车外，决不超越中心线。
6·Slightly left (right) of centerline 50 feet.
稍偏中心线左（右）边50英尺。
7·Foremast shall be installed on the centerline of ship's stem.
前桅安装在船首中心线上。
8·If it is not at the center, the rest of the centerline will be off.
如果不是在该中心，其余的中线将关闭。
9·Specify required length from centerline of valve to base of floorstand.
注明从阀门中心到地轴承架底座的所需要的长度。
10·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。
1·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。
2·Use your front hand to pull the mast across the centerline and into the wind until you look through the sail window.
前面那只手把桅杆拉过中心线，让风进来，直到你可以看见风帆上的窗口为止。
3·Handle is not symmetrical about stem centerline. Dimension shown represents the longest operational radius.
手柄并不是关于中心线对称。表中的尺寸表示最大操作半径。
4·The objective is to verify the predictions of engineering beam theory in so far as that theory defines the centerline deflection and extreme values of the normal stress.
实验目的是证明现行的工程梁理论，这种理论定义了中心线变形和普通应力的极值。
5·Inspecting centerline positioning for shaft system and rudder system before boring.
轴、舵系镗孔前中心线定位检查。