The liquid quickly hardens into a fine, elastic thread about an inch long.
这种液体迅速硬化成为一根细的、有弹性的长约一英寸的细丝。
Material:import elastic thread, polyester yarn, nylon stretch yarn, bright nylon yarn.
材质：进口橡根丝，涤纶丝，锦纶弹力丝，有光锦纶丝。
The free end is provided with a fixing block or a poise for frapping the elastic thread.
自由端上设有收紧弹性线的固定卡或砝码。
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