Regulating main feeding gear and movable needle guard.
采用调节式主输送齿及活动针档。
The regulating wheel feed slide is supported on dovetail needle roller guideway and a differential leadscrew is used for performing feed motion.
导轮架进给导轨采用燕尾形滚针导轨，进给用差动丝杆；
Results (1) The parameters of ea at Fenglong (ST 40) for regulating blood lipids in primary and secondary orders are: frequency, needle-retained time, interval of treatment, intensity.
结果：(1)电针丰隆穴调节血脂各因素(参数)的主次顺序为：频率、留针时间、治疗间隔、强度。
Results (1) The parameters of ea at Fenglong (ST 40) for regulating blood lipids in primary and secondary orders are: frequency, needle-retained time, interval of treatment, intensity.
结果：(1)电针丰隆穴调节血脂各因素(参数)的主次顺序为：频率、留针时间、治疗间隔、强度。
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