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The new technology is especially fit for working big diameter and high precision tube parts.
这对于加工大直径、高精度的管类件具有重要的意义。
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They cut down a big tree which has a diameter of twelve feet.
他们砍下一棵直径十二呎的大树。
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They cut down a big tree which has a diameter of twelve feet.
他们砍下一棵直径十二呎的大树。
youdao