To be economical these processes will require efficient solvent recovery operations.

若要经济，就要有有效的溶剂回收工序。

youdao

Among these methods, alkali treatment is proved to be economical, simple, and effective.

在这些方法，碱处理的证明是经济，简单，有效。

youdao

That could help address a major impediment to wide adoption of such technologies: They need heavy subsidies to be economical.

这可能有助于解决大规模采用这种技术的一个主要障碍：它们要想在经济上合算的话需要高额的补贴。

youdao

"It chose to be economical with the truth, " he says.

NPR: Japan Confirms Secret Nuclear Pacts With U.S.

The hope is that those cuts will force consumers to be smarter shoppers and doctors to be more economical and states to be more innovative.

FORBES: You Can��t Fix Medicare Until You Fix American Healthcare

As such, it was expected to be more economical, need a smaller crew, require less maintenance and allow improved automation of the various onboard systems.

ECONOMIST: MONITOR