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- expanding bottom bore 扩底孔
- boring and expanding bottom pile 钻孔扩底桩
- This paper probes into the optimization of structural design for bottom bearing beam of the lower masonry structure of brick-frame construction. 摘要对砖混一框架结构下部砌体结构承重梁结构设计优化进行探讨。
- The bottom bearing applies both labyrinth seal and frame seal, which have good performance of sealing. The main shaft is anticorrosive. 下轴承端盖密封采用双重密封，可确保密封效果，主轴采用防腐新技术，能保护主轴免受腐蚀。
- Application of boring and expanding bottom pile in clay stratum 钻孔扩底桩在粘性土层中的应用
- Use of bottom bearing changed the critical rotation rate,and the vibration occurred in the test run of dimethoate reactor was solved.The requirement of production was,then,reached. 通过增加底轴承来改变搅拌轴的临界转速,解决了乐果合成釜试车过程中震动较大的问题,达到了生产和工艺要求。
- Our torpedo boats bore down on the enemy cruiser. 我方面鱼雷艇向敌巡洋舰冲去。
- An enemy frigate bore down on the sloop. 一艘敌驱逐舰向这只护航舰逼过来。
- The company is eager to expand into new markets. 那家公司急欲开辟新的市场。
- The expanding economy enriched the peasants. 不断发展的经济使农民们富裕起来。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- He bore down as he approached the finish line. 接近终点线时，他拼尽全力加速。
- Our soldiers bore away the palm in the battle. 我们的战士赢得了这场战斗。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- His wife later bore a son and a daughter. 他的妻子后来生了一男一女。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- Our automobile industry is expanding. 我们的汽车工业在发展。
- The female dog bore five whelps. 母狗生了五只小狗。
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
