将文件固定在马尼拉文件夹内-马尼拉文件夹是整理文件时非常有用的工具，除非你掉了一个夹子。
Keep those Files in the Manila folder - Manila folders are a great tool for filing papers until you accidently drop a one.
我们主营的产品包括螺钉、螺栓、螺母、铆钉、夹子、机加工件、铸件、锻件、冲压件、轴承、手持式安装工具和自动化装配设备等。
Our main products include screws, bolts, nuts, rivets, clips, machining parts, casting parts, forging parts, stamping parts, bearings, hand tools, work stations and automatic machines, etc…
你做这些依靠什么工具呢。 一个装上羽毛的夹子帮助制造平常的箭，但是你没有它也一样。
What you do depends on what equipment you have. A fletching jig helps when making ordinary arrows, but you can make them without one.
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