I thought they were solid stone balls.
我还以为它们是实心的大石球呢。
Changshenger believes that advanced equipment, just like solid foundation stone, is the guarantee of quality.
常盛人坚信先进的设备，犹如坚固的基石，是质量的保证。
Changshenger believes that advanced equipment, just like solid foundation stone, is the guarantee of quality.
常盛人坚信先进的设备，犹如坚固的基石，是质量的保证。
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