用“sulfur hexafluoride”造句大全,sulfur hexafluoride造句
Anaphylactic shock due to intravenous injection of microvesicle sulfur hexafluoride
The EPA said its finding was based on a rigorous review of science on six greenhouse gases: carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulfur hexafluoride.
The invention aims to develop the sulfur hexafluoride gas controllable multi-pass ball valve group.
Application and environment protection issues of sulfur hexafluoride circuit breaker
With sulfur hexafluoride gas to double as insulation interrupter and circuit breaker.
sulfur hexafluoride tracer