单词	semi-closed principle
释义	semi-closed principle 半闭原理
随便看	undersea nuclear power station undersea oil production plant under-sea optical cable undersea optical cable monitoring undersea petroleum resources undersea pipeline undersea pipelines undersea potassium salt deposit undersea potassium salt mine undersea power undersea prospecting undersea radioisotope power supply undersea railtunnel undersea rail tunnel undersea ranging undersearch undersea remote sensing undersea repeater Undersea Rescue Vehicle undersea research vehicle undersea resources undersea rock salt and potassium salt mining undersea rock salt deposit undersea rock salt mine underseas