它总是“1u”(即1.75英寸高的一个“机架单位”，外形与比萨饼盒差不多—不过近年来比萨饼盒变长了)。
It's always been "1u" (meaning one "rack unit" of 1.75 "in height and roughly pizza-box shaped — although the pizza box has become longer in recent years)."
奠定了毛衣列单位之间的两条毛巾，轧辊，以干，并把毛衣就干毛巾或干涸，在机架上。
Lay the sweater out flat between two towels, roll to dry, and place the sweater on a dry towel or drying rack.
每个模型装在一个方便，两个机架空间单位具有相同的功能布局。
Each model is packed into a convenient, two rack space unit with identical functional layout.
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