Multi-path position control is one of the key problems of large caliber self-propelled gun automatic ammunition handling system., 多路位置控制是大口径自行火炮武器弹药自动装填控制系统的难点之一。 In 2000, he made his foray into the i ...

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Sales of all five \serious\ newspapers together amount to less than the 3.1 million circulation of the nation's best-selling ...