大口径阀门采用系列aw型气动执行器拔叉式传动，结构合理，输出扭矩大，有双作用式和单作用式。
AW series of large diameter valves using pneumatic actuator fork-type transmission, reasonable structure, output torque, a double-acting and single acting.
外装式、单端面、单弹簧、非平衡型、拨叉传动，具有较强的抗堵塞能力。
It is of externally-mounted type, single seal, single spring, unbalanced and shift transmission, and with strong anti-clogging ability.
本文提出了一种分析空间机构传动特性的方法，并应用于球叉式联轴器运动分析。
This Paper presents an analytical method on the investigation of the motion characteristics of spatial mechanism, with it applied to the Ball-and-Trunnion Type of Joint, i. e, the Multiple-Pode Joint.
本文提出了一种分析空间机构传动特性的方法，并应用于球叉式联轴器运动分析。
This Paper presents an analytical method on the investigation of the motion characteristics of spatial mechanism, with it applied to the Ball-and-Trunnion Type of Joint, i. e, the Multiple-Pode Joint.
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