运输:四循环直线轴承。
马车议会的支持,四循环直线轴承和两个硬化指导轴。
The carriage assembly is supported by four recirculating linear ball bearings and two hardened guide shafts.
研究发现,城市树木的碳循环速度和生长速度几乎是乡村树木的四倍。
It was discovered that rates of carbon cycling and growth rates among city trees were nearly four times faster than those in the countryside.
They start next Thursday in the cycle.
从下周四开始循环
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