sink marks

常见例句

双语例句

• Also packing of thick sections can produce sink marks on the part surface.
  包装也会产生厚壁凹痕对部分表面。
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• The thin ribs applied in the back reinforcing structure can not only effectively improve the intensity of the weak beam, but also avoid sink marks on the front side of the beam.
  本实用新型的背部加强结构薄筋既可以使弱梁的 强度有效的增加，又可以避免弱梁的正面不出现缩痕。
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原声例句

• And though I now sink out of view and shall be forgotten, I believe I have made some marks which will tell for the cause of civil liberty long after I have gone."
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