使该井在施工期间，井壁稳定、起下钻井眼畅通，全井事故、复杂时效均为零。
Thus, stable hole, smooth drilling and tripping operations and zero outage time have been obtained in the construction period.
与传统的民事诉讼相比，环境民事诉讼具有诉讼主体广泛、损失计算复杂、诉讼时效长等特点。
Compared with traditional civil lawsuit, environmental civil lawsuit has such characteristics as broadness in lawsuit subjects, complex loss calculation, long lawsuit limitation.
它们不得过于复杂或花费过高、或包含不合理的时效或无保障的拖延。
They shall not be unnecessarily complicated or costly, or entail unreasonable time-limits or unwarranted delays.
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