mask work protection如何翻译

mask work protection如何翻译 mask work protection 为什么能翻译成商标保护呢,有什么出处吗,词典上没有这个意思啊? mask mask mask protection protection protection Mask是什么意思 mask 是什么意思? mask是什么意思 Death Mask 韩国的Mask House mask 合同翻译：trade dress and goodwill,mask work rights,,know-how and trade secret rights怎么翻译呢 ip address is 100.0.0.100.please work out the net address and the default subnet mask of this netw transient protection protection是什么意思 谁知道the Advisory Committee on Safety,Hygiene and Health Protection at Work是指什么?协议还是机构