... utility percale sheeting 实用中支高密被单布 utility screwdriver 通用螺丝刀 utility uniform 工作制服 ...
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The utility model discloses a screwdriver which can conveniently load and unload screws. The utility model is suitable for loading and unloading screws of various models.
本实用新型公开了一种能够方便地装卸螺丝钉的螺丝刀，适合于装卸各种型号的螺丝钉。
The utility model relates to a convenient screwdriver comprising a screwdriver handle, a screwdriver bar, a spring, and a press cover.
一种使用方便的螺丝刀，由螺丝刀把、螺丝刀杆、弹簧、压盖组成。
The utility model schemes out the foldable screwdriver which has the advantages of simple structure, low cost and easy use aiming at the foregoing defects.
本实用新型针对上述缺点设计出一种结构简单、成本低、使用方便的自动开启螺丝刀。
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