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一些对网球穿线有认识的人都知道,两条竖线一起拉,要比逐条逐条拉的正确方法效果差得多。究竟两条线一起拉会差劣到什么状况,为什么还会有穿线师仍然两条竖线一起拉呢?因为他们认为两条线一起拉会较快完成穿线工作。
Some people familiar with tennis threading know that pulling the two vertical bars together is much less effective than the right method of pulling one by one. Why two lines pull poor together to what conditions, why there are still two vertical lines threader pulling together? Because they think the two lines together pull faster completion of threading work.