bottom boom 中文意思是什麼
bottom boom
解釋
底桁架-
Stand up on the board, using the uphaul ( the thick rope or webbing which attaches from the front of the boom to the bottom of the mast ) for stability, and put your feet where your knees had been, on either side of the mast and over the centerline
站在滑板上,利用升降索(從桅桿頂端到底端的那根粗繩子或帶子)保持平衡,雙腳放在剛才膝蓋的位置,也就是說桅桿的兩邊,並越過中心線。
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