door lock with knob
常见例句
- The efficient patented-designed progressive door lock is more convenient than the traditional handwheel door lock; user can gently turn the knob to open or lock the door with ease.
採用專利設計的高傚漸進式門鎖鉸，摒棄了傳統慣用的手輪式門鎖鉸，操作者衹需扳動一、兩下門把手，便可鎖門或開門，方便實用。
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