您要查找的是不是：
- beam bottom counterforce 梁底反力
- Beam bottom slab form can be dismantled after 28days or concrete strength reached 100%(make block sample in same condition), and water curing 7 days. 梁底模板必须28天或砼强度达到100%25方可拆除（做同条件砼试块测试），并浇水养护7天。
- composition style furnace beam bottom 梁底组合
- skew brick without holding against beam bottom 斜砌顶紧
- To Control Beam Bottom Elvation in Cast - in - site Construction 现浇法施工梁底标高控制实践研究
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- His answer was right on the beam. 他的答案完全正确。
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
- I fell right to the bottom of the stairs. 我从楼梯上一直摔到楼梯下面。
- The police found a body at the bottom of the lake. 警方在湖底发现了一具尸体。
- His bottom waggle in a funny way when he walk. 他走路时臀部扭来扭去，很可笑。
- He struck the beam with his head. 他的头撞到梁上了。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- The bottom of the boat was rusty. 船底生锈了。
- Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
