例句與造句

1. Variety rules of concrete strain of outer shaft wall were carried out based on in - situ measurement during freeze sinking of longgu mine auxiliary shaft
   摘要通過(guò)龍固副井凍結(jié)鑿井期現(xiàn)場(chǎng)實(shí)測(cè)，獲得了龍固副井外層井壁混凝土應(yīng)變的變化規(guī)律。
2. The study proved that tensile strain arose firstly in the outer shaft wall after it ' s building , then decreased gradually with decreasing of temperature , finally , it converted to compressive strain
   研究表明：外層井壁澆筑后，混凝土首先產(chǎn)生拉應(yīng)變，而后隨井壁溫度下降而逐漸減小并轉(zhuǎn)變?yōu)閴簯?yīng)變。
3. It's difficult to find outer shaft in a sentence. 用outer shaft造句挺難的