Arc grooves on the lower plane of the brake disc are uniformly distributed, and the inner ends of the vent holes corresponding to the arc grooves are communicated with the arc grooves.

在刹车盘下平面有弧形槽，弧形槽均匀分布。与弧形槽相对的通风孔内端与弧形槽连通。

youdao

To parody is to borrow a phrase whose meaning lies on one plane of intelligence to insert it into the context of a lower plane; an attempt to compound two incommensurable imaginative creations.

所谓“揶揄式模仿”是把寓意于高层次的句塞到层次较低的上下文里，以其达到将两个相差悬殊的意向混淆起来的目的。

youdao

Vent holes are distributed between the upper plane and the lower plane uniformly, the vent holes are arranged radially, and outer ends of the vent holes are communicated with the annular groove.

在上平面和下平面之间均匀分布有通风孔，通风孔为放射状排列，通风孔的外端与环形凹槽连通。

youdao

The air pressure in a plane during flight is lower than at sea level.

VOA: special.2009.07.14

With the aircraft's fuel pump, navigation equipment and radio paralysed, the pilots glided the plane to a lower altitude and landed it on an airfield near the village of Izhma in the Komi region, about 1, 500 km (930 miles) from Moscow.

BBC: System failure plane makes 'miracle' landing in Russia

After sunset, the plane slowly glides to lower altitudes on the stored power until dawn, when the process starts again.

WSJ: A Solar-Powered Plane Travels Light | WSJ. Magazine May 2013

As Robbins, 44, and his 15-man crew approach the school--identified earlier by spotter plane--they lower two 40-foot boats into the water.

FORBES: Magazine Article