The horizontal spread of the rectangular V-type curved otter board increased by 43.
矩形V型曲面网板的水平扩张力可增大43。
V. II: "generation" has the meaning of generational descent spread the word, "second generation" that is the second generation.
二代：“代”有世系相传的辈分的意思，“二代”即第二代。
V. II: "generation" has the meaning of generational descent spread the word, "second generation" that is the second generation.
二代：“代”有世系相传的辈分的意思，“二代”即第二代。
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