The utility model relates to an improved bending section of a sewer pipe, which is water storing bend.
本实用新型是一种改良后的下水管弯曲部,即贮水弯。
Paper bending, bending section will be the third branch of the rollers and the original bottom sheet transfer rollers and drag into it.
纸张弯曲后,弯曲部分会被第三支转辊和原底部输纸传送辊卷住并往里拖。
The application of stamping technology to the length shearing technique used on the production line of cold-bending section steel was introduced.
介绍了一种冲压模具技术在复杂断面冷弯型钢生产线上定尺切断技术的应用。
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