special pump造句怎麼寫

A plunger type quantitative lead pump belongs to the technology field of special pumps and is used for solving the problems with the lead pump, including high rate of wear and short service life.

The Maze helix pump is a kind of special pump which is small rate of flow, . high lift and low rotational speed. Its specification is safe and long durability.

Hangzhou Nanfang special pump Industry Co., Ltd. is specialized in manufacture of stainless steel multistage pumps, integrating scientific research, production and marketing.