相关单词近义词 escape cock 排放阀, relief valve 安全阀, escape 逃跑, escape valve 放出阀临近词safety pin, safety, Safety Guidelines for Electrical Installations, Safety criteria for telecommunication equipment, Safety of Peroxide-Containing Tooth Whiteners, safety monitoring programmable electronic system, safety-supervision regulation of pressure vessel, Safety Assessor-Safety Surveillance and Reporting, Safety Analyses of Man-raachine-environment System相似词safety match, safety net, safety pin, safety razor, safflower, saffron, sag, sag bag, 返回 safety valve