Ordinary centrifugal pump, if the inhalation of liquid below the impeller, the start should be pre-

Tianfu Electronic Door Lock Co., Ltd. introduced the function of giving the ring an electronic key,

Model NO.: BSK101

Avermectin has a 16-membered macrolide with strong insecticidal, acaricidal a

It is reported that with the continuous rise in prices of raw materials such as plates, sponges and

On July 21, China COFCO Corporation (hereinafter referred to as COFCO) imported more than 60,000

Abstract [China Superhard Materials News] Due to the downturn of the macro economy, China'

(A) Overview With the development of China's oil industry and oilfield development needs, in or

When a considerable number of fruit farmers fertilize fruit trees, there are still unscientific

When observing a hole drilled with a gun drill, it is sometimes found that there are annular groove

Abstract Since the beginning of this year, in the face of the complicated economic situation,

Stainless steel pipe is a decorative home material, its surface can be highly reflective or matte;