There are a series of problems in batch production of plating chromium for lining inner bores of input tube in oil well pump such as parameter choice, clamp design, bath care and adjust.
油井抽油泵输入泵衬套内孔尺寸镀铬批量生产中存在着工艺参数准确选择、夹具合理设计、槽液维护和调整等一系列问题。
To add a new unit under the pump, it makes the oil tube telescopes elastically as the oil well pump moves up and down.
在泵下增设一个新装置，使抽油泵上下运动时，油管产生弹性伸缩。
The design of infiltration ditch contains the obtaining water tube, anti-filter layer, well, pump house and other accessory building.
渗渠工程设计主要包括水平集水管、反滤层、导水管、集水井、泵房和其他附属构筑物等。
Methods An inclined tube well collecting percolating ground water with powerful pump in the water-bearing stratum in the depth of 30 meters below the riverbed of Huanghe River was built.
方法打斜管井深入黄河河床以下30 m处，以大功率水泵抽水，经加氯消毒后供生活饮用。
Pump bearings have sufficient stiffness to ensure a balanced operation of pump, if running in the deep well, we can get more of a Inhalation tube (indicated in the contract).
泵轴承有足够的刚度，可以保证泵平衡运行，如果在深井中运行，可以加置一条吸入管（合同中注明）。
Pump bearings have sufficient stiffness to ensure a balanced operation of pump, if running in the deep well, we can get more of a Inhalation tube (indicated in the contract).
泵轴承有足够的刚度，可以保证泵平衡运行，如果在深井中运行，可以加置一条吸入管（合同中注明）。
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