Usually being located at the middle of the cristae of vertical semicircular canals, the eminentia cruciata protrudes perpendicularly to the long axis of the crista.

十字隆凸通常位于上、后半规管壶腹嵴的中部，与壶腹嵴的长轴垂直。

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The project position of welder qualification test for long transporting pipe depends on vertical down welding basically, which is namely fixed pipe with axis horizontal welding (5gx).

长输管道的焊工考试项目位置基本以向下焊为主，即水平固定全位置焊(5gx)。

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