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- variable bore ram packers 可变径闸板
- Simulation study on mechanical conditions in the working process of the front seal of variable bore ram blowout preventer 可变径闸板防喷器前密封封井过程受力模拟研究
- Variable bore ram-type blowout preventer, the improved type, is capable of sealing drill tools whose sizes are within a certain range, and has advantages of low cost and convenience. 可变径闸板防喷器作为新型的闸板防喷器，能够密封一定范围内多种规格的钻具，具有成本低，使用方便的优点。
- Numerical Simulation on Working Process of New Type Bore Ram Blowout Preventer 新型闸板防喷器封井过程数值模拟
- 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。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- 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。
- His wife later bore a son and a daughter. 他的妻子后来生了一男一女。
- The female dog bore five whelps. 母狗生了五只小狗。
- A finite increment in a variable. 变量增量变量的有限增量
- This document bore his signature. 这份文件上有他的签名。
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- It seems so absurd to bear malice after all that. 经过这一切之后还抱有怨恨情绪是很荒谬的。
- Winds are mainly light and variable. 风力较弱，风向多变。
- His faithful pet dog bore him company. 他那忠实的爱犬给他做伴。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
