When teenagers use the utility model for exercises, not only body is promoted to increase height, but also effects of constitution enhancement and muscle building can be received.
青少年使用本实用新型锻炼，不仅可以促进身体长高，还能收到增强体质和健美肌肉的效果。
The utility model relates to a double-rail conduction type muscle exercising apparatus which is used by various sportsmen to training physical quality and muscular strength in body building exercises.
本实用新型涉及一种用于各类运动员身体素质训练和健美运动肌肉力量训练的双轨传导式肌肉训练器。
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