三心

三心(的) [sān xīn]

1. ■ three-core; three-centered

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常用词组

1. ■ 三心插塞 three-pin plug;

2. ■ 三心拱 basket-handle arch; multicenter arch;

3. ■ 三心花瓣拱 trefoil arch;

4. ■ 三心平圆拱 {建} three-centered arch;

5. ■ 三心塞绳 three-way cord;

6. ■ 三心椭圆（仿椭圆）pseudo-ellipse;

7. ■ 三心圆拱{建} three-centred arch;

8. ■ 三心装饰拱 {建} false ellipse