Our main products include solenoid valve, thermostatic expansion valve, sightglasses, filter dryer, pressure controller, pressure difference controller , temperature controller.
公司主要产品为电磁阀、热力膨胀阀、视液镜、干燥过滤器及压力、压差控制器。
2
Glasses are, of course, an indispensable thing, but they worsen the sight.
视镜是必不可缺的，可是它们妨碍了视线。
3
It is only the prescription of stronger and stronger glasses that pushes the eye into a sight-threatening condition, with the tissues of the eye under enormous stress.