"针刺毯"在高温蒸气直埋保温管上应用的研究--新型钢套钢保温结构
"침자담"재고온증기직매보온관상응용적연구--신형강투강보온결구
The studay of Using Acupuntate Blanket in the Heat Insulation Pipe for the High Tempereture Steam
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