本实用新型公开了一种组合式硬质合金挺柱，包括挺柱本体，在所 述的挺柱本体的一端面设有凹台，在所述的凹台内连接有硬质合金片。

The utility model discloses a combined hard alloy tappet which includes a tappet body whose one end surface is provided with a concave platform inside which is connected with a hard alloy slice.

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本方法适于任意形状、任意边界条件和任意内部支承的板，如连续板、点(柱)支承板等，且精度良好。

The method is suit - able for plates with arbitrary form, arbitrary boundary conditions and arbitrary inside sup - ports such as continuous plate, point (column) supporting plate, etc.

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本实用新型涉及一种轻型钢管混凝土柱。

The utility model relates to a light-duty steel tube-concrete column.

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