Endlesshail-Double Bow 无休止的冰雹 ; 双弓
double bow system 双弓体系
double bow with chines 脊沟型双艏
flat double-bow ship 扁平双首船型
Double bass bow 倍大提琴弓
bow-knot-double 蝴蝶结
Two arch ribs are installed in transversal direction to form a"double bow system".
四川绵阳飞云大桥的主桥系三跨系杆拱桥，横向设两根拱肋，构成“双弓体系”。
Pass the tape around your waist and tie securely in a double bow on your left side.
把带子围着腰转一圈然后在身体左侧的双环上系牢。
Pass the tapes around your waist and tie securely in a double bow on your left side.
系好腰上的带子，系紧，在你身体的左侧打两个节。
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