线的长度取决于书的大小，一次留足订半本书的线。
The thread length depends on the size of the book, get enough to sew about half the book.
钢绞线下料时，留足端部张拉位置所必须的长度。
The preparation materials of steel strands, the enough length by end part tensioning position shall be required.
背线修剪成水平状，被毛必须保留足够的长度，以维持该品种的粉扑形外貌。
The topline is trimmed to appear level. The coat is long enough to maintain the powder puff look which is characteristic of the breed.
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