Simplified operation and the construction of the dual - function rotary valve.
简化操作与双联控制转阀结构。
Is a rectangular structure of the advanced rotary control valve.
是一种直角回转结构的高级控制阀。
Torque is the rotary effort required to operate a valve.
扭矩是操作阀门所需的旋转作用力。
Torque is the rotary effort required to operate a valve.
扭矩是操作阀门所需的旋转作用力。
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