韩国快三开奖结果,韩国快三开奖,韩国快三开奖查询

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非標螺絲需要查看的3個方面來確認好壞

來源:塑膠五金網發布時間:2021-03-12 17:10:57點擊率:
非標螺絲在日常生活中是不可或缺的工業必須品,它可在多個行業使用,那么如何保證能買到質量好的產品,下面塑膠網來告訴大家需要注意哪幾點?
1.需要看非標螺絲表面光澤,色澤是否均勻,如果發現有發白、發黑、發污不良現象,就不要購買了,要選擇表面顏色均勻,顏色正常的產品。
2.購買非標螺絲要注意槽型部位,如果出現螺絲槽淺或者有毛邊,螺絲內部出現毛糙的,就不要購買了,這樣的螺絲會造成安裝人員的工作效率。
3.如果非標螺絲的頭部出現歪頭或者不飽滿等裂痕的情況,這種也不能購買,因為會導致斷頭現象,造成產品報廢的嚴重后果。非標螺絲是日常生活中不可或缺的必需品,所以選擇好的螺絲是非常重要的一步。
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