连接物
5.One that couples, especially a device for coupling two railroad cars.
6.Something, such as a tie, band, or fastener, that attaches one thing to another.
9.A pipe fitting with four branches in upright and transverse form, used as a junction for intersecting pipes.
10.The conjugate of AFB1O and BSA was injected into rabbits through multi--site and multipathwayprotocol.

