您要查找的是不是：
- roof beam of elastic ground 弹性地基梁
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- It snapped back like a piece of elastic. 它像一条橡皮带那样迅速弹回。
- Analysis and treatment of cracks in roof beam of a building 某工程屋盖梁裂缝分析与处理
- He greeted me with a beam of joy. 他笑容满面地迎接我。
- The rain has rotted the roof beam. 雨水使房梁逐渐腐朽。
- A beam of sunlight fell on the wall through the window. 阳光透过一扇窗投射到墙面上。
- The rain has rotted the roof beams. 雨水使屋梁腐朽了。
- Reinforcing Roof Beam of Some Maintenance Workshop by Pre- Stressing Force 应用预应力加固某车间屋面梁
- How far does this piece of elastic stretch? 这松紧带能伸多长?
- This swimming costume is made of elastic material. 这件游泳衣是由弹性材料做成的。
- The beam of a flashlight played across the room. 手电筒的光照过房间。
- I can see a small beam of light. 我可以看到一道光。
- If you stretch a piece of elastic it becomes much longer . 你如果拉橡皮带，它就会伸长。
- Structure Analysis and Design of Long - span Different - height Prestressed Roof Beam of Pump Room 泵房大跨不等高预应力屋盖梁结构分析与设计
- The Calculating Simple and Directly of the Economic Height of Roof Beam of Square-section 矩形截面梁经济高度的简捷计算
- I stretched that piece of elastic to its fullest extent. 我将这条橡皮筋拉长到最大限度。
- Path of beam of light, nothing is seen. 如果光束通道上没有东西,就什么也看不到。
- In gases, conduction is a result of elastic collision of molecules. 对于气体，导热(过程)即分子间的弹性碰撞；
- A beam of light produced by a laser can weldmetals. 激光器发生的光束可以焊接金属。
