短语词组短语backstay cable 拉索;后拉缆breast backstay 横后牵topmast backstay 中桅支索;上桅后支索;中桅后支索running backstay 活动后支索martingale backstay 首斜桁撑杆后支索backstay mast 桅杆Backstay Strap 后跟条饰带backstay deformation 炉柱变形Backstay Binding 后跟条包边 返回 backstay