您要查找的是不是：
- rear pivoting boom 后枢接式转臂
- long rear pivoting boom 后枢接式长转臂
- He has accustomed himself to front turn,but can not rear pivot. 他习惯于前转身，不会后转身。
- He has accustomed himself to front turn, but can not rear pivot. 他习惯于前转身，不会后转身。
- He is very skilled at pivoting on his heel. 他能非常熟练地以脚跟旋转。
- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- He made his pile during the property boom. 在房地产生意兴隆期间他发了大财。
- A body of the enemy hung upon their rear. 一伙敌人紧紧地跟在他们的后面。
- The clock began to boom out twelve. 时钟开始敲十二点。
- I got a flat tire of the rear wheel of my bicycle. 我自行车的后轮车胎没气了。
- The engine of this bus is in the rear. 这辆公共汽车的发动机在后面。
- The long boom of the crane functions like our arms. 起重机的长臂与我们的手臂功能相同。
- That is the pivot of the whole argument. 这是整个论据的关键。
- Their daughter was the pivot of their lives. 女儿是他们生活的中心。
- Profit multiply in the boom year. 兴旺之年利润增长。
- The enemy reeled when surprised from the rear. 敌军从背後受到奇袭而乱了阵脚。
- The boom of the airplane was damaged. 飞机的尾桁受到损害。
- We heard a hollow boom of thunder. 我们听到低沈的隆隆雷声。
- The hinged rear door of a hatchback. 仓门式后背有铰链的后门
- The economic boom tapered off in the 1970s. 经济繁荣在七十年代慢慢消失了。
