1)tubular level,管状水准器2)tube bubble,管状水准泡3)vial type level,管形水准器4)level tube,水准管5)managerial level,管理水准6)plate level vial,盘水准管
用法例句
Firstly,the upgrade of feint productivity is realized through the restructuring of human resources,the upgrade of managerial level,the upgrade of technical level and other means,then the upgrade of the second phase productivity is achieved through technical and instrumental measures.
