给出了这些管段焊口的坡口形式、焊接方法、焊接材料、焊接工艺参数及实焊工艺程序。

The groove shapes, welding methods, filling materials, procedure parameters and concrete welding sequence are provided.

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文中计算了直管段的四极参数及膨胀腔的传递损失，并与一维理论结果进行了比较。

The four-pole parameters of a straight duct and transmission loss of an expansion chamber have been calculated and compared with the results obtained by means of one-dimensional theory.

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对于各血管段，动脉中血液流的效应由三个集中参数效应组合而成，它们是流阻效应、流容效应和流感效应。

For each segment, the blood flow effect in arteries is combined with three lumped-parameter effects, i. e. fluid resistance effect, arterial capacitance effect and fluid inertia effect.

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