It is realized by referring to a system formed by an ash bucket, ash storage pump, ash transporting pipe, and the air make-up pipe for compressed air.
该方法借助于灰斗、灰仓泵、输灰管、压缩气补气管组成的系统实现。
These films can be used to make a new type of loudspeaker that works by heating and cooling the air, rather than bouncing up and down to vibrate the air directly.
这样制成的薄膜可以被用来制造一种新型扩音器,这种扩音器通过加热和冷却空气工作,而不再是直接通过往复运动使空气产生振动效果。
Make up, perfume and skincare products used after the expiry date carry a risk of irritation and infection, Debenhams said. This is due to air and bacteria infiltrating the products.
由于空气和细菌渗透原因,化妆品、香水和护肤品在截止日期后使用会有带有刺激性和感染的风险,德本汉姆公司说。
应用推荐