管顶 meaning in English

toof pipe

2 . shallow sea seismic survey for the install project of waste pipe
2 .深圳市污水排海干管顶管工程海上地震勘探
Advances in studies of extraction rate and health - careeffect of trace elements in tea
比色管顶空气相色谱法测定水样中三氯甲烷
In the environmental protection project of taizhou jiaojiang sewage treatment plant , the tube pushing technique of glass steel sand tube is applied first in china , therefore ensure the construction of key infrastructure projects in the region
在环保项目台州市椒江污水处理厂的工程中，应用了国内首例玻璃钢夹砂管顶管工艺，在技术上保证了区域重点基础设施项目的建设。
Step 6 : after complete the grouting and curing work between all the installation work in the liner ( including process piping , pipe support , etc . ) & liner and rock bed , complete the installation work of top elliptic head of liner using 35 / 50 ton hyd - crane and 25 ton truck crane
第六步：待衬管内所有的安装工作（包括工艺配管、管道支架等）及衬管与岩床间的灌浆、养护工作完成后，用35 / 50吨液压起重机和25吨汽车起重机完成衬管顶部封头的安装工作。