“凸角”用英语怎么说？

转子在其凸角之间的三个面上有凹槽.The rotor has recesses in its three faces between the lobes.在硅的腐蚀过程中,如果不对台面凸角加以补偿,会产生严重的削角现象.The undercutting will appear if there is no compensation on convex corner in etching of Si.:胸椎后凸角值随年龄的增大而增大,符合...

“凸角”的拼音为：tū jiǎo...