Selection of hot or cold forming of materials may be made by Vendor, but heat treatment after forming shall conform to the requirements of applicable material specifications.
材料的热成型或冷成型的选择由卖方进行，但成型后热处理应符合相关材料规范的要求。
Seals can be polymer materials, asbestos or rubber seal material selection depends on the valve components of the transmission medium, operating temperature, working pressure and flow rate.
密封件可以是高分子材料、石棉或橡胶，密封件材料的选择取决于阀门所输送的介质成分、工作温度、工作压力和流速。
NOTE 2 Sampling procedures should describe the selection, sampling plan, withdrawal and preparation of a sample or samples from a substance, material or product to yield the required information.
抽样程序宜对取自某个物质、材料或产品的一个或多个样品的选择、抽样计划、提取和制备进行描述，以提供所需的信息。
应用推荐