投掷部分的组成中包括球托、前推杆、后推杆、驱动杆、连杆、驱动气缸、支架等。
A throwing part comprises a ball seat, a front push rod, a back push rod, a drive rod, a connecting rod, an actuating cylinder, a support frame, etc.
高尔夫球推杆赛自65年前在科克被人们接受以来，在爱尔兰迅速蓬勃发展起来。
The pitch and putt game has flourished in Ireland since its inception in Cork some 65 years ago.
这样推杆与炉体前壁间的摩擦力更小，推杆在通过炉体前壁时非常灵活。
Therefore, friction between the push rod and the furnace body front wall is less and the push rod is very flexible when running through the furnace body front wall.
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