On these basis, we have studied the new casting technique of the tank's engine top which poured by the electromagnetic pump associated with rational melting and purifying process.
We stand on the top of the dam, casting our eyes far away.
我们站在大坝的顶上往远处看。
3
Batch production shows there are no shrinkage cavity and porosity in casting, and no blowholes and sand inclusions on the top surface. The yield of the casting is 81%.