Optical Mouse shell from the beginning, the company gradually introduced wireless keyboard and mouse shell casing and other products.
从光电鼠标外壳开始，公司逐步推出无线鼠标外壳及键盘外壳等系列产品。
The influences of multi-openings with different shapes on a casing-cement cylindrical shell are studied in this paper, combined with practical engineering of oil Wells.
结合油井试采工程实际问题，研究了圆形和椭圆形两种形状的多个射孔对套管-水泥环结构强度的影响。
The casing comprises a vertically arranged shell taking the shape of a circular oblique cone table, an assorted upper cover and a discharge hole thereof.
所述外壳含立置圆斜锥台形的壳体及其相配的上盖和出料口。
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