Drop shotting keeps the lure horizontal and in one spot above the bottom for as long as you want to leave it there.
倒钓保持了拟饵的水平移动，且让你能把饵控制在水底只上的某个你想要的标点。
When a horizontal line appears, you can drop the portlet in that position if desired.
出现水平线时，如果愿意，可以将portlet放置在该位置。
The focus of the research on the two phase flow, gas and non-Newtonian fluid in horizontal pipelines, is pressure drop, the law of liquid adhesiveness and the prediction of flow form.
水平管中气体和非牛顿液体两相流动研究的中心问题是压降和持液率的规律，以及流动型态的预测。
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