Acne lock water liquidseal in moisture eternal youth, the bloom crystal Whitening!
祛痘锁水原液锁住水分永葆青春,绽放晶莹雪肌!
2
The operating principle of three--vane external circulating current piston pump was studied and the conditions of liquidseal and non--interferrence of the pump were got.
通过对三叶外环流活塞泵工作原理的研究,得出了它的封液条件和不干涉条件,并给出了设计方法和有关公式。
3
The motion equations of sealed liquid and magnetic liquid which is considered to be non-Newton fluid in magnetic liquidseal were solved respectively and their speed distributions were got.