straddle combination string 跨隔联作管柱
combination casing string 组合式套管柱
combination testing string 组合测试管柱
pumping string combination 抽油杆柱组合
I don't happen to like this, but he thinks that is, give a combination of a number multiplication in a string, this will in fact give us back a new string with that many replicas, if you like, of the string concatenated together.
我不喜欢这么做但是他认为,也就是说,返回一个字符串的,某个特定数字的倍数,这实际上会返回一个新字符串,一个原来的字符串的很多复制品,连接到一块的一个字符串。
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