beam balance type

基本解释

The balance function of the new type beam-pumping unit was improved. A good energy-saving result has been obtained.
但是，这种抽油机的负扭矩明显减小，说明其平衡性能所有改善，有较好的节能效果。
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This type of equal arm balance with double beam and pan adopts flexible steel band as support without abrasion to the edges of the knife.
复梁式双盘等臂天平，采用钢带弹性作支撑，无刀口磨损现象发生。
By the terms of the calculated result we found a rule that all this type tower crane don't need to estimate the fatigue life of balance beam.
根据疲劳寿命结果得出该类型式起重机起重臂的设计不用考虑疲劳问题。