选煤厂——图形符号

[中文适用范围]： 符号的选择遵循以下原则： a) 植物应广泛使用； b) 符号应易于绘制且易于区分； c) 应表示任何特定类型机器的原理而不是外观， d) 如果单个符号代表一组单独的符号在国家范围内标准化的项目，则 ISO 符号应易于与以下任何一个符号区分开：国家象征。 [外文原描述]： The symbols have been selected in accordance with the following principles: a) the plants should be widely used; b) the symbols should be easy to draw and readily be distinguishable one from another; c) the principle and not the appearance of any particular type of machine should be represented, d) where a single symbol represents a group of items for which separate symbols are s-tandardized nationally, the ISO symbol should be readily distinguishable from any one of the national symbols.