A few days ago, gigantic embryo of square complete steel is in south Haohua since road of domestic large mine tries, experienced local air temperature tall, rainwater difference in temperature of much, day and night is big the test that waits for austere use condition. End at present newest data shows, complete steel gigantic embryo already accumulative total runs 5500 much kilometers, 430 hours, it is normal that the each index data such as ' of lukewarm, wear and tear, deflection getting carry on one's shoulder all carries tire ' atmospheric pressure, embryo.
