扣头，指叩头，磕头。
大年夜量采办有扣头吗？
特别好！对这写字楼单位我没题目，但房钱方面有异国扣头优惠呢？
Great! I have no problem with the office, but I am concerned about the rent. Is there any discount?
内侧固定整齐的滑槽，搭配自动扣头，方便调节长短，兼具美观及实用性。
Neatly inside the fixed chute, with automatic buckle, easy to adjust the length, both beautiful and practical.
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