He called the zipper a slide fastener.
他把拉链叫做滑动的纽扣.
The quality of the gallus was well endured with strength, the connection was fastness, and the slide fastener and agraffe was made of metals with well qualities.
背带质量承受能力可靠,接口牢固,拉链搭扣等采用金属制作,保证质量。
The anti-slide force of single fastener meets the requirement according to the design calculation.
单扣件 抗 滑承载力的设计计算满足要求!
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