This invention relates to heat enhancing and low resistance pipe plug-in board-hollow interchange disk.

本发明涉及一种强化传热的低阻力管内插件——中空立交盘。

youdao

This invention relates to heat enhancing and low resistance pipe plug-in board-hollow interchange disk.

本发明涉及一种强化传热的低阻力管内插件——中空立交盘。

youdao