單項(xiàng)選擇題一臺(tái)外壓容器直徑φ1200mm,圓筒殼長(zhǎng)2000mm,兩端為半球形封頭,其外壓計(jì)算長(zhǎng)度為()

A.2000mm
B.2400mm
C.2600mm


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