A spool of slightly less than 100 feet of number 17 Heavy Formvar wire was required for the secondary winding.
一卷大约100英尺的17号线足够完
次
组。
缩甲醛和氯醋聚乙烯
共聚物的一系列产品A spool of slightly less than 100 feet of number 17 Heavy Formvar wire was required for the secondary winding.
一卷大约100英尺的17号线足够完次组。
It required three spools, each containing approximately 900 feet of number 27 Heavy Formvar wire for the primary sections.
这个工作需要
个线轴，每个上面有900英尺27号线来制
组。
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