Drawn-on sides cover: a cover for side wire stitched book.
黏脊及内边书皮:一个较为理想的铁线平订的书皮。
The tensile strength of the mesh sheet is higher than that of the common mesh, and the diameter of the wire is not smaller than the diameter of the side wire.
加筋网片的拉伸强度高于普通网片,加筋丝直径一般不小于边丝直径。
The tensile strength of the reinforced heavy six Angle net is higher than that of the common mesh, and the diameter of the wire is not smaller than the diameter of the side wire.
加筋重型六角网的拉伸强度高于普通网片,加筋丝直径一般不小于边丝直径。
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