Starting with the principle of moment distribution method, the paper applies sequence theory to derive the formula of rod-end bending moment.
从力矩分配法的原理出发，利用数列理论，导出了杆端弯矩计算公式。
The utility model relates to an electromagnet, which is composed of a yoke iron, an armature iron, a push rod, a pull rod, a starting coil, a sustain coil, a controlling circuit and an end cover.
本实用新型涉及一种电磁铁，有轭铁、衔铁、推杆、拉杆、启动线圈、维持线圈、控制电路和端盖。
With arc starting and push current, effectively prevent welding rod sticking.
具有引弧，推力电流，有效防止焊条粘结。
With arc starting and push current, effectively prevent welding rod sticking.
具有引弧，推力电流，有效防止焊条粘结。
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