placing boom

基本解释

After being awarded the contract, A decided to purchase 3 site concrete pumps and the tunnel placing Boom 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。
Crews are placing the boom in different areas on Coast waterways to help protect against an approaching oil slick in the Gulf of Mexico.
工作人员在海岸附近的不同水域设置了警戒线，希望能够阻止海面浮油进入墨西哥湾海域。
If the placing Boom 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。