| 释义 |
- 1
At the start of the 20th century they were typically made up of about five raw materials: wood, rubber, steel, glass and brass. 在20世纪初，汽车一般由5种原材料制造而成，也就是木材、橡胶、钢铁、玻璃和黄铜。 - 2
Copper, brass, bronze, aluminum, aluminum alloy stainless steel, rubber, plastic and other non-corrosive metals except specifically mentioned in this specification. 铜、黄铜、青铜、铝、铝合金、不锈钢、橡胶、塑料和除此规格书中涉及的其他非腐蚀金属。 - 3
Machined brass construction, chrome nickel plated body, EPR rubber check disc assemblies and Buna 'n' seals, stainless steel springs and pressure plates are standard. 标准配置为机加工黄铜结构，镀铬镍阀体，乙丙橡胶止回阀瓣总成和丁钠橡胶密封，不锈钢弹簧和压力板。
|