陈建力指出，海水变暖可能导致海水渗入冰盖下面，使冰盖上部更容易失去支撑而滑入水域，从而引发冰盖的消融。
Chen said that warmer ocean waters may have triggered the melting by seeping under the ice sheet and making it slide more easily over the rock it rests on.
加固肋提供实心上部结构安装，提高了阀体的强度。加固肋确保填料腔的支撑强度以抵抗来自内部和外部的压力。
Reinforcing ribs provide a solid superstructure mount and give the body added strength. Placement of the ribs assures packing chamber support to resist both internal and external stresses.
依靠或被别的物体支撑的物体，如篱笆上部的横梁现代英汉词典。
Something, such as the top rail of a fence, that rests on or is supported by something else.
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