governor ball arm 调速器球杆
steering arm ball stud 转向臂球头柱螺栓
ball-bearing arm support 滚珠轴承式手臂支具
steering arm ball 转向杆球端
double-ball pitman arm 双球连接杆臂
Roll of ball toss arm 抛球手臂转动
ball joint arm 球接头连臂
arm shaft ball bearing 上轴滚珠轴承
The invention is characterized in that the cabin storing ball arm is turned to place corresponding to import and export of tubular bag, which is convenient for users to choose;
其优点是,把存放所需球杆的舱位转到与筒形袋体的进出口对应的位 置,方便使用者选取;
When he fell, his arm knocked the ball into the net.
他倒下时,胳膊刚好把球撞进网。
Award a penalty kick: there is no such thing as' ball to arm 'in this situation: the player must take the consequences of his actions.
判罚点球。这不是一个所谓的“球打手”的状况,所以这名后卫只能对他自己的行为自食其果。
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