The effect of load changes, the distribution of the constant flow of the hydraulic oil.

该阀不受负载变化的影响，分配流量恒定的液压油。

youdao

The heat values under constant volume(Qv) of edible soya oil were measured with WZR-1A microcomputer calorimetry.

利用WZR-1A型精密微电脑量热计系统地测量了食用大豆油的恒容燃烧热。

youdao

While it may be temporarily overshadowed by the troubles of Japanese auto makers, and imperiled long-term by the rise in oil prices, one constant remains in Detroit: General Motors vs. Ford.

尽管眼下日本汽车厂商由于自然灾害而陷入重重麻烦之中，成为世人关注的热点，抢了通用汽车（GM）与福特（Ford）之争的风头；而且，由于油价不断攀升，这场竞争长期来看有可能陷于危险境地；但是，在底特律有一点亘古不变：通用汽车与福特之间的竞争。

youdao

Unfortunately, the price of oil in constant dollars is close to what it was in the car-happy 1950s, and prices are likely to keep falling.

CNN: Hot Air In Kyoto

Some would say we need to have a presence to ensure a constant flow of oil into the global markets, but such an assertion is plainly absurd.

FORBES: In Troubled Times, President Obama Continues to Lead From Behind

If supplies are constant, the increased demand will cause those oil prices to rise.

FORBES: Oil and Natural Gas Part Ways