单纱张力装置
single-end tension device
转动式张力装置
rotating tensioning device
压力式张力圈装置
gravity weigth cymbal tension device
张力补偿装置
tension compensating device
tension compensation device
海绵表面张力管理装置
sponge surface tension propellant management device
实体装置服务管理器
physical unit services manager