GB/T 34478-2017钢板栓接面抗滑移系数的测定国家标准
英文:Determination of anti-slip coefficient at bolted connect steel plates’ surfaces GB/T 34478-2017介绍: 国家标准《钢板栓接面抗滑...
英文:Determination of anti-slip coefficient at bolted connect steel plates’ surfaces GB/T 34478-2017介绍: 国家标准《钢板栓接面抗滑...