SEI provides a large body of background material, case studies, books, training, coaching, and consulting in support of these processes.
SEI提供了大量的背景材料、案例研究、书籍、培训、指导和咨询服务，以支持这些流程。
A case cover corresponding to an opening of the box body is also a double-layer stainless steel casing and an insulation material layer is equipped in a mezzanine of the casing.
与箱体上开口对应的箱盖也为双层不锈钢壳体，其夹层内设有保温材料层。
The plane plate body and the case body are made of plastic material.
平面板体和箱体由塑料制成。
The plane plate body and the case body are made of plastic material.
平面板体和箱体由塑料制成。
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