求助 按着老师发的教程模拟出现如下错误 说模块没有定 ...? ERROR WHILE CHECKING INPUT SPECIFICATIONS FOR VARIED VARIABLE IN SENSITIVITY BLOCK: "N-R" THIS VARIABLE IS NOT SPECIFIED IN THE BLOCK. YOU CAN PROVIDE AN INITIAL ESTIMATE IN THE BLOCK OR VARY ANOTHER VARIABLE. VARY SENTENCE NUMBER 1 怎么办 ?? 查看更多1个回答 . 2人已关注
氧气管道安装要求,帮助翻译? Dust traps and DEAD ends The risk of ignition of bulk metallic material increases with the mass of particles; in order to limit the accumulation of particles in dust traps or dead ends, they shall be avoided as far as practical. Examples of dust traps are manifolds, enlarged diameter tees, gaskets not flush with the internal diameter of the flange, inlet of double lines metering stations, stand-by lines connected to the main pipe and other locations where the velocity of the gas is reduced, allowing particles to drop out of the gas stream. See examples in Figure 10. Note that a source of accumulated particles is the final water cooler of an oxygen compressor. This shall be treated in the barrier design of the compressor (position of the first carbon steel elbow, check valve location…), which is out of the scope of this document. 查看更多1个回答 . 4人已关注