您要查找的是不是：
- hydraulic boom machine 液压支臂切削掘进机
- There are mainly two kinds of roadheader: Tunnelling Boom Machine(TBM) and partial-size tunneling machine. 掘进机按照对于巷道断面的作用方式可划分为两种：全断面掘进机和部分断面掘进机。
- hydraulic cutting boom machine 液压切削支臂掘进机
- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The uses of this machine are manifold. 这台机器有多种用途。
- He made his pile during the property boom. 在房地产生意兴隆期间他发了大财。
- The clock began to boom out twelve. 时钟开始敲十二点。
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- The new grinding machine passed all tests. 这台新磨床通过了所有的试验。
- 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。
- The hydraulic lift is over there. 液压升降机在那儿。
- Profit multiply in the boom year. 兴旺之年利润增长。
- 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。
- Oil feeds into the machine through this tubing. 油经过这个管子流入机器。
- The economic boom tapered off in the 1970s. 经济繁荣在七十年代慢慢消失了。
- Did you get a good trade-in on your sewing machine? 你以旧缝纫机折价换新合算吗？
- The city is having a building boom. 这个城市正在大兴土木。
- The oil market is enjoying a boom. 石油市场欣欣向荣。
