In medieval times, a lance couched under the rider's arm, unifying the force of rider and weapon, would throw its wielder backwards off the horse at impact.
在中世纪，一把长矛被放在骑手的臂膀下，以统一骑手和武器的力量，一旦受到冲击，持兵器者就会向后摔下马去。
The cylinder-rotating flexible drive transfer arm is analyzed finally, in order to achieve the oxygen gun slag cleaner to flexible hold lance.
最后分析了气缸对转臂的柔性驱动，以便达到除渣器对氧枪的柔性抱枪。
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