First of all, for strength and stability, mainly a cylinder, cover the wall, the water pressure check and impeller stress test, the axis of strength checking.

首先进行强度和稳定性计算，主要进行了筒体、端盖的壁厚计算、水压试验应力校核以及叶轮、轴的强度校核。

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First of all, for strength and stability, mainly a cylinder, cover the wall, the water pressure check and impeller stress test, the axis of strength checking.

首先进行强度和稳定性计算，主要进行了筒体、端盖的壁厚计算、水压试验应力校核以及叶轮、轴的强度校核。

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