一个划桨周期优秀运动员的最小艇速都是出现在拉桨前段，最大艇速都是出现在推桨阶段。
In a stroke cycle the minimum speed of boat exists in drive phase, but the maximum exists in recovery phase.
西顿和亚发的居民作你荡桨的。 推罗阿，你中间的智慧人作掌舵的。
The inhabitants of Zidon and Arvad were thy mariners: thy wise men, O Tyrus, that were in thee, were thy pilots.
在螺旋桨是非常有效的推水。
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