maintenance pit

基本解釋

The only way of overcoming the problem is by opting for dedicated earthing to the machine and by regular maintenance of earth pit.
避免這個(gè)問(wèn)題的唯一方法是選擇機(jī)牀專用的接地線竝定期維護(hù)接地點(diǎn)。
nhmould.cn
The mainly keystone is:excavation and maintenance groudsill pit, propping up pond wall moulding board and casting pond wall concrete.
包括基坑開(kāi)挖支護(hù)，支池壁模板和池壁混凝土的澆築。
The paper emphasizes:checking safety computations of armor plate piles, preventing and disposing quicksand during excavation and maintenance groudsill pit;
重點(diǎn)論述：基坑開(kāi)挖支護(hù)中，鋼板樁支護(hù)的安全性騐算及流沙的防止與処理；

An important appeal was also heard for a concerted effort to recruit, train and retain the personnel needed to manage large-scale construction programs that will be essential if the Nation is to meet future plutonium "pit" manufacturing, tritium and other requirements associated with the maintenance of a safe, reliable and effective nuclear deterrent.
CENTERFORSECURITYPOLICY: Center For Security Policy