valve line meaning in English

活门绳

General specification for valves lined with fluoroplastics
氟塑料衬里阀门通用技术条件
Piston valve line
配汽活塞阀缸套
The company has become wenzhou and even the national pump and valve line mainstay and the region economy leader enterprise
成为了名副其实的温州乃至全国泵阀行业的骨干和区域经济的龙头企业。
Rugged one - piece body including flanges . cast in stainless steel to eliminate corrosion problems that are found with cast iron , or steel valves lined with stainless steel
坚固的一体式阀体包括法兰。不锈钢铸件避免了不锈钢衬里的铸铁或钢阀门常见的腐蚀问题。