The round of the hole exit is equipped with wire needle of down-bellmouthing type outwardly.

小洞出口圈向外插有倒叭口插状钢丝插针，老鼠过得去可回不来。

The saxophone has a single reed mouthpiece like a clarinet , a conical brass body like an ophicleide, and a metal body with a flared bell .

萨克斯风外上有著跟竖笛样单簧吹嘴，黄铜色身又像低音大号，以及金属制叭口。

Besides, experiment on the pressure loss of the improved accumulator with L-Tube with the evase inlet shape was done.

对改进后L-Tube入口为叭口储液罐也做了试验研究。