互通立交的型式很多，有喇叭型、菱形、环形、苜蓿叶型、半定向式、定向式及复合式等几种基本形式。

There are many types and forms of interchange, such as trumpet type, rhombus type, ring type, alfalfa leaf type, partly directional form, directional form, compound form and so on.

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初步评估了热管在轻合金永久型铸造中的行为、作用、利用潜力和应用的基本形式。

The performance, role, potential value and application ways of heat pipe in light alloy in permanent mold casting were expounded.

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