The contact condition of rail was simulated with twin - disk in laboratory.
在实验室条件下用圆盘试样模拟了钢轨的接触条件。
If other especial work condition has been required, please contact factory before ordering.
如果要求其他特殊工作条件时，请在订货时与制造厂商联系。
If a particular condition is required, please contact our sales office.
如有特殊要求，请与我们销售部门联系。
Please indicate the natural condition and contact manner of the student.
注明学员自然情况和联系方式。
In case of special circumstances such as hazardous working condition, please contact our company.
如遇危险工况等特殊情况，请与本公司联系。
In case of special circumstances such as hazardous working condition, please contact our company.
如遇危险工况等特殊情况，请与本公司联系。
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