carpet pin
... carpet pin 地销钉 carpet soap 地毯皂 carpet square 小方地毯 ...
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如果模板由两个或更多的部件制作，每一个部分都应清楚地予以注明以便于正确的组装并应在组装后销钉以防移动。
If templates are made in two or more parts each part shall be clearly marked so that they can be assembled correctly and dowelled to prevent movement after assembly.
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