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1·The helm is on the centre line on bridge.

舵位于驾驶台的中心线上。

2·When crossing the centre line the horse should be parallel to the short side.

当蛇乘路线与中央线交叉时，马体应当和场地的短边平行。

3·Last time the cop claimed that Gonzalo's tyre had touched the centre line as he was driving.

上一次遇到的警察说冈萨洛开车的时候，车轮已经触到中心线了。

4·Its position is on the vertical centre line , about 2/5 of the page depth from the head of the page.

它的位置在垂直分中线上，从天头计，书页深度5分之2的地方。

5·Deviate from embankment centre line, subside light to subside along cross section direction curve take the form of basin promptly.

越偏离路堤中线，沉降越小即沿横断面方向沉降曲线呈盆状。

6·For a stone arch bridge with a given arch centre line and a given loading condition, there exists a minimum thickness limit for the arch ring.

给定拱轴的石拱桥，对应于每个荷载工况，拱圈有一个最小极限厚度。如果拱圈厚度等于或小于这个极限，石拱将出现三个以上的铰而破坏。

7·The way to do this is by stepping over the 'centre line' and using footholds on the left with the outside edge of your right foot (or vice versa).

这样做你需要跨过身体的中轴线，用右脚的脚外侧踩左边的脚点（反之亦然）。

8·Other problems with your technique start to appear such as scissor kicks and hands crossing the centre line. All of this because you're not exhaling!

另外你那些刚开始出现问题如剪刀腿和手过中线，所有这些都是因为你没有呼气。

9·Where you cannot see far ahead on the road because of a curve or a hill, move right to avoid colliding with an oncoming vehicle that is over the centre line.

如前方有转弯或小山阻碍你的视线，靠右行驶避免与前方越过中心线驶来的车辆发生碰撞。

10·Taper Roller Bearings transfer the loads acting on the bearing at a certain angle, the so called alpha contact angle towards the shafts centre line, (see sketch below).

圆锥滚子轴承的负荷作用于轴承在某一个角度，即所谓的阿尔法对轴中心线的接触角，（参见下图）转移。