The rigidcover plate is provided with two grout holes.
刚性盖板设置两个灌浆孔。
2
The CV is a rigid structure and the cover letter should give a personal touch.
简历是刚性结构，而求职信更具个人特性。
3
Its construction is divided into two parts, one is the lower part of the manhole cover, ensure that the level of it, it needs to be placed in the asphalt material, dealing with rigid cap.