gear shift cover 中文意思是什麼
gear shift cover
解釋
變速器蓋-
Crews cover the middle 1000 metres at about 40 strokes per minute, but, over the first and last 500 metres, shift up a gear to as many as 47
在賽程中段的10000米,隊員們每分鐘要劃槳40下,而在前段和後段的兩個500米中,劃槳的頻率要加快到每分鐘47下。
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