Profile of PVC condole top is empty, both sides is between honeycomb shape is enclosed sheet, has the processing molding tongue-and-groove and convex great.

PVC吊顶型材是中间为蜂巢状空洞、两边为封闭式的板材，有加工成型的企口和凸棒。

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The special meshing of convex and concave teeth profile makes the relative radius of curvature of the contacting point longer.

独特的凸凹啮合齿廓，使两齿轮在接触点处的综合曲率半径较大。

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A molding for a cornice, having a partly concave and partly convex curve in profile, used especially in classical architecture.

反曲线饰纵断面部分为凹线，部分为凸形的檐口的线脚，尤用在古典建筑中。

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In profile, the powerful convex curve of the bonnet flows seamlessly through a steeply raked windscreen into a roofline which deliberately peaks towards the rear of the cabin to emphasise the traction available from the vehicle's rear-wheel drive powertrain.

ENGADGET: Lexus LF-CC Concept shows the future of touchscreen interiors