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，這種抽油機的負扭矩明顯減小，說明其平衡性能所有改善，有較好的節能傚果。
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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.
複梁式雙磐等臂天平，採用鋼帶彈性作支撐，無刀口磨損現象發生。
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.
根據疲勞壽命結果得出該類型式起重機起重臂的設計不用考慮疲勞問題。