After being awarded the contract, a decided to purchase 3 site concrete pumps and the tunnel placingBoom from the b.
在得到合同后，决定从B那里购买3台现浇混凝土泵和隧道布料机。
2
If the placingBoom is swiveled 180 degrees from the Basic position to the rear, the end hose can reach every point of the roadway surface being concreted.
如果布料机臂旋转180度从前面旋转到后面，软管末端能伸到要浇注混凝土路面板的任一处。
3
Crews are placing the boom in different areas on Coast waterways to help protect against an approaching oil slick in the Gulf of Mexico.