This article expatiates the lead-foot-line reciprocation method and its usages from the two sides of cathode lead-footjoint reciprocation and deflexion loop down-lead reciprocation.
从阴极引脚接点互换和偏转线圈引线互换两个方面对“引脚线互换法”及其用法进行了阐述。
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If your foot is at a right Angle to your outstretched leg and does not dangle, you have a low ankle-joint axis and will be more comfortable in flat shoes than in high heels.