Some new concepts are proposed, such as two phases column group of solid and melt of channels filled partially, the function of solid height which are different from t…
首次提出了聚合物材料熔融过程的两相柱团、固相高度变化函数及液相增长速率的概念，较为真实地刻画了聚合物在同向旋转双螺杆挤出中非充满螺槽的熔融行为。
More than 12, 900 square feet (1, 200 square meters) of Etna’s surface is covered with solid lava, and new eruptions change the volcano's height.
超过12 900平方英尺（1 200平方米）的埃特纳火山表面为固体熔岩所覆盖，而新的喷发改变了火山的高度。
This slatted structure gives way to a solid timber volume as the stairs ascend beyond the height of the bookcase.
板条结构为坚实的木体块作为超过书架高度的楼梯提供了可行的方法。
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