“seam”的概念、定义、翻译、参考文献-科学参考

单词	seam
释义	seam [sēm] ^ENGINEERING 1. A mechanical or welded joint. 2. A mark on ceramic or glassware where matching mold parts join.A line occurring on a molded or laminated piece of plastic material that differs in appearance from the rest of the surface and is caused by a parting of the mold. Also known as mold seam. ^GEOLOGY 1. A stratum or bed of coal or other mineral. 2. A thin layer or stratum of rock. 3. A very narrow coal vein. ^METALLURGY An unwelded fold or lap which appears as a crack on the surface of a casting or wrought product.
随便看	safety fuse safety gate safety glass safety groove safety hoist safety hook safety lamp safety lanes safety level of supply safety lever safety lock safety match safety pin safety pinion safety plug safety post safety prop safety rail safety relief valve safety rod safety service safety shoe safety stake safety stop safety time

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