unadjustable

The existing beam pumping unit often have empty pumping, liquid hammer, as a result of its unadjustable pumping stroke and pumping frequency, causing great damage to the pumping unit and huge waste of energy.

现有的游梁式抽油机在工作时，由于其冲程、冲次不可调，往往会出现空抽、液击现象，造成抽油机的损坏以及电能的巨大浪费。

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Check whether the motor speed measurement wire is broken or virtual connected, or the speed given potentiometer is damaged and unadjustable.

检查电机测速线是否断路或虚接，或速度给定电位器损坏不可调。

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According to the different price discount calculation methods in the contract with adjustable and unadjustable value the price adjustment principle and method and its application scope are elaborated in order to acquire more profits in contract.

对不可调值合同和可调值合同的价格贴现计算方法作了阐述，提出了价格调整的原则、方法及应用范围，以充分做好价格贴现和调整的各项工作，为工程承包获取更大的利润。

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An Analysis and Improvement of the Unadjustable Trouble of 722 Raster Spectrophotometer's Light Source

722型光栅分光光度计光源不可调故障分析及改进

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Then turn crankshaft by360 °± 27 ° and adjust the intake valves and exhaust valves which are originally in their unadjustable positions.

转动曲轴360°±27°，调整原先处于不可调位置的进气门和排气门。

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