您要查找的是不是：
- stepped pin boss 台阶式销座,阶梯形销座
- The thick part of the piston that holds the piston pin is the pin boss. 用来支撑活塞销的活塞厚的部分称为活塞销凸台。
- By simply inputting a pulse on the STEP pin, the A3980 will take one microstep in the direction, which is set by the DIR pin. 只需输入“步进”引脚的脉冲,A3980就可在“方向”引脚设置的方向上产生一个微步。
- Improvement in Piston Pin Boss Oil Hole Machining 活塞销座油孔加工方法改进
- My boss was too old to work well. He stepped down. 我的老板年龄太大，做不好工作了，他上星期离了职。
- Our boss stepped down after thirty years with the company. 我们的老板在这家公司工作了三十年后退休了。
- Let's pin the notice on the bulletin board. 咱们把这个通知钉在布告牌上吧。
- I prick the map with a pin to show our route. 我用大头针在地图上扎孔标出我们的路线。
- I bought a tie pin for my husband yesterday. 昨天我给丈夫买了一支领带别针。
- He stepped up so as to be able to speak. 为看得更清楚，他上到高处。
- The man stepped in and asked for my father. 那个人走进来求见我父亲。
- She stepped aside to let them pass. 她站到一边让他们走过去。
- The ice cracked as I stepped onto it. 我一踩冰就裂了。
- She's a difficult person to pin down. 她这人行事、说话没个准儿。
- He bounced into the room with a springy step. 他以轻快的跑步跳进房间。
- A pin in the print head of a computer printer. 撞针计算机打印机的印刷头上的撞针
- He stepped on to the sidewalk from the bus. 他从公共汽车走下到人行道上。
- It is evident you never cared a pin for me. 很明显，你从来就不把我放在心里。
- They stepped out of the sun into the coolness. 他们到阴凉处躲避烈日。
- Let's pin up the map on the wall now. 现在让我们把地图钉在墙上。
