The ubiquitous nature of E-mail makes it a simple and useful means of feedback — every CI server I'm familiar with provides some type of E-mail feedback mechanism.
Some company for enlarging blunt Ci of momentum, devotion a huge sum of funds development big caliber of the Hong absorb type electromagnetism valve make watering valve.
有的公司为了增大冲厕时的冲力，投入巨额资金研发大口径的虹吸式电磁阀作下水阀。
3
But this intelligence stanza water equipments can't make use of the Hong absorb type of existing groove type Mr. Ci full-automatic blunt water tank to Mr. the Ci carry on reformation;