With superior performance jointless rail will gradually supplant the common rail in railway construction but rail expansion,excel-out even breakage in it will bring tremendous harms.

 
  • 無(wú)縫線(xiàn)路以其優(yōu)越的性能將逐步代替普通線(xiàn)路成為鐵路發(fā)展的必然趨勢,但它出現的脹軌、跑道和斷軌的病害也極其巨大。
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