| 摘要 |
Both the xyz end catches (7,8) integral with the floss segment (21) are fixed on the support branches (11,12). The floss ends (9,10) themselves, are turned from the perpendicular and are made short. - The turning devices are hooking parts (13,14) that have slots (15,16) on their branches.Both hooks and their slots are disposed w.r.t. the branches so that the slot sharp edges (17,18,19,20) which stop the passage of the flow end catches forcing them to turn sideways.
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