通过对这种电路的工作状态进行分析，提出了正确设计的重要公式和提高效率的方法。
By an analysis of the circuit operating conditions, an important formula for its proper design is derived and ways to improve efficiency are proposed.
正是由于非线性电感的存在，造成难以用经典的电工学公式适时分析焊接变压器的工作状况。
It is because of the existence of the nonlinear inductor that the instantaneous working state of the welding transformer is hardly to be analyzed with classical electrotechnical theory.
应用刚度可靠性设计的理论，对顶杆的工作情况进行分析，提出了一种更加合理的顶杆直径计算公式，并将其用于实际生产。
Working condition of ejector has been analyzed and a more rational calculation formula for ejector diameter has been given on the basis of principle of rigidity reliability design.
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