结合风险评价理论，采用评点法对潜油电泵系统进行了风险等级划分，从而可以使企业预先掌握潜油电泵系统的运行状况。
And in order to make companies know situation of working of the electric submersible pumping system, we evaluated the risk rank of the electric submersible pumping system by evaluating-point approach.
数控机床加工过程是按预先编制好的零件加工程序自动进行的，不随实际加工状况变化而变化。
The NC Machine manufacturing process is conducted automatically per pre-made part manufacturing program, and it won't change with actual manufacturing condition.
数控机床加工过程是按预先编制好的零件加工程序自动进行的，不随实际加工状况变化而变化。
The NC Machine manufacturing process is conducted automatically per pre-made part manufacturing program, and it won't change with actual manufacturing condition.
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