您要查找的是不是：
- Today most simple beam bridges are strengthened by a truss, which is based on the triangle. Diagonal beams has extended between the hori zontal and vertical beams give support against both compression and tension. 今天，大多数简支梁桥都用三角形的桁架加固。位于水平梁和垂直梁之间的对角梁承受压力和拉力。
- Diagonal beams has extended between the hori zontal and vertical beams give support against both compression and tension . 位于水平梁和垂直梁之间的对角梁承受压力和拉力。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- 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。
- 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。
- The wood surface of the furniture is full of diagonal stripes. 这件家具的木头表面上布满了斜纹。
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- Sighted land off the starboard beam. 转向右舷方向便望见了陆地
- The gymnast poised herself on the balance beam. 体操运动员在平衡木上保持平衡。
- The load on that beam is more than it will bear. 那根梁上的载重超过了它所能承受的量。
- He greeted me with a beam of joy. 他笑容满面地迎接我。
- Your calculation is way off beam. 你的计算大错特错。
- The lumped mass matrix is a diagonal matrix. 集中质量阵是一个对用阵。
- The square matrix is called a diagonal matrix. 该方矩阵称为对角矩阵。
- The book has a diagonal black stripe on the cover. 书的封面上有条连接对角的黑斜线。
- The unemployed worker was on his beam ends with rheumatism. 这个失业工人患了风湿病，经济十分困难。
- The n vertical planes are called diagonal plane. n个竖直的平面叫做等分面。
