The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与刮刀卸料离心脱水机是煤矿常用的两种离心脱水机.If a vibrating string is lightly touched at its midpoint , its pitch...
A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振动帮助声音传送到大脑.In wind instruments the sound is produced by a vibrating air column.管乐器的声音是由振动的气柱产生的.Stationary waves are also produced in vibrating colu...
The chimney was pouring out black smoke.烟囱里冒出滚滚黑烟。He believes Santa Claus comes in through the chimney.他相信圣诞老人从烟囱进来.Smoke was curling up the chimney.烟从烟囱里袅袅升起。This Luminaire consists of glass chimney, body and front cove...
那个电表上的度数是 多少 ?What does that ammeter read?地球的经度是用格林尼治子午线向东或向西的度数来表示的.Terrestrial longitude is measured in degrees east or west of the Greenwich meridian.地球纬度是从赤道向南或向北以度数来表示.Terrestrial latitude is measured in degrees nor...