back spindle

基本解釋

For the power in case of a power failure, back electromotive force of a spindle motor can be utilized.
對于在電源故障情況下的電力，可利用主軸電機的反電動勢。
In 1817, another British Roberts adopted with round 4 wheel mechanism and back to change spindle speed.
1817年，另一位英國人羅伯茨采用了四級帶輪和背輪機構(gòu)來改變主軸轉(zhuǎn)速。
Mature larvae about 10 mm long, yellowish green, 2 Bradley, abdominal enlargement, section 4-5, it was the whole spindle body, and stretch back hip enough.
老熟幼蟲體長約10毫米左右，黃綠色，兩頭尖細，腹部第4-5節(jié)膨大，故整個蟲體呈紡錘形，并且臀足向后伸長。