带折边的浅碟形封头 flanged and shallow dished head
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地 势 苏州地处太湖为中心的浅碟形平原的底部，地形以平原为主，全市地势低平，一般高程为海拔3.5~5米。
Suzhou, at the bottom of a shallow saucer-shaped plain with Lake Tai at its center, is low and even. Average height is 3.5m-5m above sea level.
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