单词	joint crack
释义	joint crack 缝隙开裂
随便看	maintain sustained and fast economic growth maintain system history program maintain system history programMSHP maintain system voltage maintain test platform maintain the appearance of maintain the balance of maintain the ceilings Maintain the cell line equipments Maintain the Community maintain the cost maintain the family tradition maintain the field maintain the foreign trade order maintain the front maintain the law maintain the lead maintain the leadership Maintain the leadership position maintain the legal system maintain theoretically Maintain the PCs and printers of the company maintain the peopls's right maintain the power of the Central Government Maintain the quality control system