The laser that compares two kinds of different wavelengh denudes system, medium holds backdischarge fractional to the element of laser of 213 Nm solid effect improves function apparent.
相比两种不同波长的激光剥蚀系统，介质阻挡放电对213 nm固体激光的元素分馏效应改善功能明显。
2
The ERCW is an open system, using water from the environment and dischargeback to the environment.
重要厂用水是个开式系统，从环境取水，用完后排放回环境。
3
This set of components can rotate to the back leakage discharge hole and pump the bottom of the alignment.