管顶和管底的内侧钢筋受拉,外侧钢筋受压;
When inner side reinforcing steel bar of tip and bottom pipe were pulled, outer side were pressed.
注浆前左右两侧跟管顶压力相差不大,注浆后则要明显大于管顶压力。
Compared with the tip pipe, they were almost the same before grouting and noticeably bigger after grouting.
当储墨管插上笔头组件后,凸管顶破封膜,使墨水流向笔尖,即能书写。
After the ink tube is inserted in the pen head component, the seal film is broken by the convex tube upwards, ink flows into a pen point, and a user can write.
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