chā kǒu ㄔㄚ ㄎㄡˇ 叉口
对高炉热风主管、围管三叉口组合砖的设计计算进行了探讨和实践。
The design and calculation combined bricks in trident of main and round hot blast pipes on B. F. were studied and practiced.
结论：辣椒素对大鼠三叉神经节内NOS阳性神经元有明显的影响，NOS参与口面部的痛与镇痛。
CONCLUSION: Capsaicin has an obvious effect on the NOS positive neurons in the trigeminal ganglion of rats, and NOS participates in the mechanisms of pain and analgesia at oral-facial region of rats.
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