We come upon a small caravan camper with its door open to a late-middle-aged Scottish couple, sitting at a folding table, taking tea and biscuits.
我们遇到了一辆小型的有篷露营车，车门开着，正对着一对中年的苏格兰夫妇，他们正坐在折叠桌旁，喝着茶吃着饼干。
Aluminum door series include: fight cell doors, sliding, hanging doors, door, large folding, small folding, sliding and so heavy.
铝门系列包括：拼格门、推拉、吊趟门、平开门、大折叠、小折叠、重型推拉等。
The door is open run in peace folding doors around the hinge rotation, the maximum stress component is the hinge, bearing friction hinge is very small, the noise is small.
折叠门和平开门运行中门扇是绕铰链旋转的，受力最大的部件是铰链，铰链的轴承摩擦阻力很小，噪音也很小。
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