It also shows trackage and operators for Canada and Mexico.
它还显示加拿大和墨西哥的轨道和经营公司。
AUMA has been manufacturing valve actuators for 45 years and is a major supplier of electric GLOBE VALVE actuators and manual operators to industry.
AUMA electric actuators are capable of operating all types of quarterturn valves (butterfly, ball and plug) and multiturn valves (gate,facebook 中文板, globe, sluice gate and pinch).
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