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。
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