A formed head shall generally be made of single plate.
成型的封头通常应用单板制作。
A first concave part is formed on the top surface of the base plate.
该基板的该顶表面形成一第一凹陷部。
A second concave part is formed on the bottom surface of the base plate.
该基板的该底表面形成一第二凹陷部。
Rock body formed in plate extensional background and a loose stress state.
岩体形成于板内引张的应力松弛环境。
Rock body formed in plate extensional background and a loose stress state.
岩体形成于板内引张的应力松弛环境。
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