The paper presents the construction, main technical performance parameters and basic design principles of a new PKXF type adjustable energy-saving gap and vortex deoxygenization sprayer.

论述了锅炉给水除氧器用新型PKXF型可调式旋缝节能喷嘴的结构、主要技术性能参数及基本设计原则。

youdao

The problem is that investment by American firms has risen by even more than domestic saving, leaving a large gap to be filled by foreign capital.

ECONOMIST: Rainy-day blues

One way to demonstrate this is to remember that the gap between domestic saving and investment must be equal to the current-account balance, which is probably measured more accurately.

ECONOMIST: China's economy

They are saving hard to fill the gap.

ECONOMIST: The path ahead