研究了活络模具花纹块的各种加工方法，比较了各自的优缺点。
The paper was based on researching various processing methods of tread pattern blocks in tire segmental mold and comparing with each other.
“这难道不是一块美丽的料子吗？”两个骗子问，一边展示，一边解说那根本不存在的布料上奇异的花纹。
"Is this not a pretty piece of stuff," asked both the swindlers, showing and explaining the magnificent pattern that did not exist at all.
她用力地拍打一块印有深色花纹的丝绒窗帘，在阳光的照射下，一团浮尘徐徐上升。
She whacked the dark floral pattern on the velour curtain, and a lazy haze of dust spun in the sunlit window.
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