The oxygen tubing is designed to quincunx, resisting incurvation.

氧气管用于连接喷雾罐，氧气面罩，复苏器供应氧气。

With the quincunx as well, it can be difficult to merge the energies of the planets involved.

她觉得两者的角色不能同时存在，而同时间要做两个这样的角色会令她不舒服。