Abstract: Friction drag is the major part of the total drag of a transport, so reducing it is essential for improving the performance and reducing the cost of a transport.

摘要：摩擦阻力占民机总阻力的很大比例，减少摩阻对改善民机性能和降低成本具有重要意义。

youdao

Friction drag is the major part of the total drag of a transport, so reducing it is essential for improving the performance and reducing the cost of a transport.

民机受到的摩阻占其总阻力很大比例，减少摩阻对改善民机性能和降低成本具有重要意义。

youdao

L High mechanical strength, anti-friction and suitable for on-line back flush, easy to operate and low cost.

l机械强度高、耐磨、适宜在线反冲洗，操作方便，运行成本低。

youdao

And,friction stir welding uses fewer workers at less cost than other methods.

VOA: special.2009.12.30

Over the long term the SARS outbreak will add friction to the cost of doing business in Asia, much as impromptu shoe checks, cargo inspections and travel jitters followed Sept. 11 in the U.S. Hotel business in Asia fell 25% from February to March.

FORBES: Aftershock

Minimizing the cost of access is the easiest way to eliminate friction.

FORBES: What Makes an Idea a Meme?