n.鐘形口

The suction of the plunger should be designed as type of streamline or bell mouth, which would decrease the suction resistance. 應(yīng)考慮將柱塞的吸入口設(shè)計(jì)成流線型或喇叭口型，以降低其吸入阻力。

Anchor chain hawser pipes shall be mounted on the port and starboard of the ship, made of steel plate.A casting anchor bell mouth shall be fitted at the lower end of hawser pipe. 錨鏈筒布置在船舶左右兩舷，由鋼板制成，每隔錨鏈筒的下端有鑄鋼錨唇。

Bell Mouth Spinning Forming Technology 集流器旋壓成型技術(shù)

The church bell tolled the hour. 教堂的鳴鐘報(bào)時(shí)。

Test of axial-fan performance with different bell mouth 集流器對(duì)軸流風(fēng)機(jī)性能影響的試驗(yàn)研究