However, the narrow channel manoeuvre safety theory is not yet in full shape.
然而狭水道操纵安全理论还没有充分的确立。
At first, the theory of relationship between liquid character and drop shape formation is discussed.
首先讨论了液滴形成理论，即液体性质和液滴形状之间的关系。
At first, the theory of relationship between liquid character and drop shape formation is discussed.
首先讨论了液滴形成理论，即液体性质和液滴形状之间的关系。
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