标 准 编 号：DIN 28182-2007 简体中文标题：管式热交换器.管心距、管薄板的钻孔直径.挡板和支承板 繁体中文标题：管式热交换器.管心距、管薄板的钻孔直径.挡板和支承板 English Name：Tubular heat exchangers - Tube pitches, diameter of bores in tube sheets, baffles and support plates...