Practice indicated that the surface boreholes have better effect on gas drainage from mining area.

实践表明，地面钻井对抽放采动区域瓦斯效果较好。

youdao

The sentinel lymph node (SLN) is defined as the lymph node (s) that first receives lymphatic drainage from the site of the primary tumor.

前哨淋巴结是指最先直接接受原发肿瘤淋巴引流的淋巴结。

youdao

Rivers, lakes, and underground reserves of water are being filled in and poisoned by soil and chemicals carried by drainage from eroding fields.

从受侵蚀的田地里的排水系统中排出的水夹杂着泥土和化学物质(化肥)，这些水正在流入并污染着河流、湖泊及地下水资源。

youdao

The settlers had plans to remove water from the area and in the eighteen eighties developers began digging drainage canals.

VOA: special.2009.06.30

Drainage from abandoned mines is one of the state's worst environmental headaches, impairing 5, 500 miles of waterways.

WSJ: Pa. pushes drillers to frack with coal mine water

You and your neighbors must clear downed trees with your own chain saws and pull debris from drainage pipes.

FORBES: Move up http://i.forbesimg.com t Move down

Contaminated water has been abstracted and treated from the mine since 1992 following an drainage burst which caused visible pollution from mine water coloured orange by the high iron content.

BBC: An archive picture of Wheal Jane