The mechanical state of shaft lining filled part of water when its pan touching the base rock of shaft bottom was analyzed .

分析了泥浆中的井壁 筒在加入 配 重水（非满水）后井壁 底 接触岩石时的受力状态；

To make this sound the jaw drops just a bit and the tongue rests in the bottom of the mouth with the tip of the tongue touching the bottom teeth in the back .

发这个音时，下巴只需略微下移，舌头放在口腔下部，舌尖 轻触 下排牙齿的后面。

Touching the bottom of my heart that arouse .

唤起 心底 的那 份 缠绵。