The craft they deployed was a wing-shaped rod the size of a bacterium.
他们设计的飞行器是一个细菌大小的翼状杆。
The craft they deployed was a wing-shaped rod the size of a bacterium.
于是他们发明了一种只有一个细菌那么大，呈机翼形状的杆状飞行器。
Through the above craft guaranteed that the oil extraction rod has the good overall performance.
通过上述工艺保证抽油杆具有良好的整体性能。
Through the above craft guaranteed that the oil extraction rod has the good overall performance.
通过上述工艺保证抽油杆具有良好的整体性能。
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