The surface quality of Y2 frame and the percentage of end product can not be compatible, because the toughness and mobility of the moulding sand in clay sand are antagonistic each other.
型砂韧性和流动性在粘土砂中是互相对立的，它使Y2机座表面质量和成品率不能兼顾。
2
It's one of manufacturers in the line of different classes wooden products, such as wooden moulding, wooden mirro frame, wooden oil painting frame, and decorating picture frame, etc.
本公司主要经营各种档次的木线条、木制镜框、木制油画框以及装饰画框等，属于相框行业中的大型制造商。
3
The beam shape of concrete transfer floor is completely studied. Firstly, for the system of moulding board and support frame in construction the side pressure and screws are analyzed.