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- Development and Application of Tower Crane with Luffing Boom in Foreign Countries 动臂塔机在国外的发展及应用
- 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。
- The clock began to boom out twelve. 时钟开始敲十二点。
- tower crane with luffing boom 动臂式塔机
- luffing boom 升降起重臂
- 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。
- 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。
- The economic boom tapered off in the 1970s. 经济繁荣在七十年代慢慢消失了。
- 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。
- The wind is too strong,we shall have to luff up. 风太大了，我们得抢风行驶。
- Local firms have been quick off the mark to cash in on the oil boom. 地方商行不失时机地利用油价暴涨大赚其钱。
- No heavy leading edge causing the kite to luff. 没有重的前沿导致风筝对逆风行驶。
- Luffing: Altering course toward the wind. 迎风转向:改变航行路线,使之面对风向。
- The long boom of the crane function like our arms. 起重机的长臂与我们的手臂功能相同。
- It changes working radius usually by luffing jib. 通常多采用俯仰臂架的方法来实现工作幅度的改变。
- The baby boom created a bulge in school enrollment. 生育高峰造成学校入学人数的暴涨
