Both one end of the vertical chimney and one end of a short chimney of the horizontal chimney crank can be made into the form of a bell mouth. 还可制作竖筒一端呈喇叭口的形式,也可以制作横筒拐短筒一端呈喇叭口的形式。
Also includes non-twisting end tips and a metal bell cap. 还包括非扭结束技巧和一个金属钟帽。
When building began on the houses of Parliament in1840, the clock tower at the north end was planned to house the largest bell in all england. 1840年议会大厦开始动工修建时,北端的钟塔就计划放置全英格兰最大的吊钟。
Examination of the end of the bell, and mother Ying Shangqu pass with a cup of canned good bottle of bubbles urged children to drink strong tea, tea is also strong, Gengnong situation. 测验结束的铃声响了,母亲迎上去递过一杯用罐头瓶泡好的浓茶嘱咐小孩喝了,茶亦浓,情更浓。
Carefully check the amount of water seepage from the end cap and end bell weep hole. 仔细地检查漏水孔端盖与端座水的渗出量。
The history of Acoustics is very long, but for modern Acoustics it was only started from the end of 19th century after Bell's and Sabine's works. 声学的历史是非常古老的,但是现代声学却是从19世纪末20世纪初开始的。
Calculatoins of bore show that the acoustic power is radiated mainly from finger holes for fundamental wave and mainly from the open end of bell for higher harmonics. 计算表明,唢呐声中基波主要由指孔辐射,而高次谐波主要由碗开口辐射。
Until the end of 2006, our country digit publication industry overall income has reached approximately 20,000,000,000 Yuan, And handset publication ( including handset color bell, handset game, handset animation) income amounts to 8,000,000,000 Yuan. 截至2006年底,我国数字出版产业整体收入约200亿元,其中手机出版(包括手机彩铃、手机游戏、手机动漫)的收入就达80亿元。