Characteristics, making processes and the performance test methods of aluminum matrix oil-impregnated sintered bearing were introduced.
叙述铝基含油轴承的特性、制备工艺与性能测试方法。
DIN EN 50305 Railway applications-Railway rolling cables having special fire performance-Test methods, Clause 9.2 Toxicity.
DINEN 50305铁路设施-具有特殊防火性能的轨道车辆电缆-试验方法,条款9.2毒性试验。
EN50305 Railway applications-Railway rolling cables having special fire performance-Test methods, Clause 9.2 Toxicity.
EN 50305铁路设施-具有特殊防火性能的轨道车辆电缆-试验方法,条款9.2毒性试验。
EN50305 Railway applications-Railway rolling cables having special fire performance-Test methods, Clause 9.2 Toxicity.
EN 50305铁路设施-具有特殊防火性能的轨道车辆电缆-试验方法,条款9.2毒性试验。
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