Meter Needle Type Globe Valves 仪表针形截止阀 ; 仪刻度针形为止阀 ; 仪表针形球阀 ; 仪表针形为止阀

Meter Needle Type Globe ales 仪表针形截止阀

Meter Needle Type Gloare Vingves 仪表针形截止阀

Meter Needle Type Glogetting Vingves 仪表针形截止阀

compass needle type frequency meter 罗盘针型频率计

High-precision LCD needle-type meter 高精度液晶针型仪表

double needle type power meter [电] 双指针功率表