英语词汇“closing the door to the outside world”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	closing the door to the outside world
释义	closing the door to the outside world 闭关自守
随便看	belt conveyor hoisting belt conveyor protection device belt conveyor roller belt cooling conveyor belt-cooling unit belt cord belt cord spinner Belt corridor belt coupling beltcourse belt course belt-course belt course, ring beam belt cover belt covering belt covering machine belt covering machine tool belt creep belt-creep belt conveyors belt conveyor scale belt conveyor scale for mine belt conveyor soft-start switcher belt conveyor structure beltconveyor support