单词	安全接地
释义	安全接地safety ground
随便看	two-in-hand winding two-in-one motor two-input adder two-input subtracter two-input subtractor two-intakes two iron two is company, but three is a crowd . two is company, but three is none . two is company, but three is none (或a crowd). twoish two-jawed chuck two jerks of a lamb's tail two-joint muscle two-key cryptosystem two-key rollover two-knife asymmetrical beam two-knife beam two lane canal two lane road two-layer two layer fabric two layer filter two-layer flow two-layer flow in estuary