滚子输送链条是一般用途输送链条设计中的新创造，是先进生产技术的产物。
The roller transports the chain link is in the general-utility transportation chain link design new creation, is the advanced production technology product.
本标准与EN 10297 - 1：20 03《用于机械和一般工程用途的无缝钢管交货技术条件》的一致性程度为非等效。
This standard and en 10297-1:2003 "the condition of technology of delivery of seamless steel tube that is used at machinery and average project utility" consistency degree is blame equivalent.
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