safety margin
【生活】安全火花隙
safety spark gap
暂无补充释义。
相关词条
safety pin
skin: protective clothing, boots/safety shoes, PVC gloves,
factor of safety
safety means along the route
food safety
safety-pin (safety pin)
safety partition
safety spark gap
暂无补充释义。
safety margin
safety pin
skin: protective clothing, boots/safety shoes, PVC gloves,
factor of safety
safety means along the route
food safety
safety-pin (safety pin)
safety partition