根据体积不变定律，轧制时轧件的横断面减小，其长度一定相应地增加。轧件长度的增加量就叫延伸。
2001年，里海联盟石油管道开通，从西哈萨克斯坦的坦吉斯油田一直延伸到黑海，这大大增加了该国的石油出口量。
The opening of the Caspian Consortium pipeline in 2001, from western Kazakhstan "s Tengiz oilfield to the Black Sea, substantially raised export capacity."
这些联系会延伸到其他成为潜在客户的公司，雇员之间的友谊有可能提高销售量。
Many of these connections may work for other companies that are potential or existing clients, and this employee's friendship could potentially result in a sales lead.
结果表明，较低的铁素体轧制温度和较高的铁素体区压下量时，IF钢具有更高的深冲性能、相对较高的强度、延伸率以及织构强度。
The results showed that the if steel has better deep drawability, higher mechanical and texture strength and elongation if the hot rolling temperature was low with big reduction in ferrite region.
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