2) underground
[英]['ʌndəɡraund] [美]['ʌndɚ,ɡraʊnd]
井下
1.
On the Rectification and Strengthening of Underground Safety of Non-coal Mines;
论非煤矿山的井下安全整治
2.
Treatment of underground outer source fire of coal mine;
煤矿井下外源火灾的处理
3.
Danger analysis and management technology for underground working place of Chengchao iron mine;
程潮铁矿井下作业场所危险分析及管理技术
3) downhole
['daun,həul]
井下
1.
Research and shop tests of the downhole casing shut-off valve;
井下套管阀研究及室内试验
2.
Theory design of downhole ultrasonic focusing system;
井下超声聚焦系统的理论设计
3.
Preliminary approach to oil production through downhole oil-water separation technique.;
井下油水分离采油技术初探
4) down hole
井下
1.
A mechanical floating is used because of instrument,water quality and down hole tools that make in-correct result measured or instrument blocked down hole.
介绍了一种用于油田注水井注水分层测试超声波井下流量计。
2.
In the light of the serious erode situation of down hole stems,hanging ring technology for erode monitor to oil well dill stem in Lunnan oilfield has been used.
针对井下管柱腐蚀严重的情况 ,轮南油田采用了井下挂环技术对油井管柱的腐蚀状况进行监测。
3.
Since the function of separation,the oil is pumped to ground and water injected to down hole.
有杆泵井下油水分离装置由静态旋流分离器和抽油注水双作用泵 2部分组成。
5) underground mine
井下
1.
The nature condition of underground mine is complicated, to effectively monitor the environment and equipment, it must have accurate positioning technologies to localize mobile devices.
在井下采矿过程中应用无线传感器网络系统实施环境监测以及设备管理,将有效地提高井下采矿生产的效率和安全性。
2.
The conventional coal and coal refuse separation was to bring the raw coal from the underground mine to the surface and separate in the coal preparation plant.
传统煤与矸石的分选是将毛煤从井下运到地面然后在选煤厂完成二者的分离,该方法不仅造成了地面矸石的堆积和资源的浪费,并且破坏了矿区的生态环境。
3.
In order to treat coal sludge water under the dehydrated screen,craft of concentration and filter pressing is adopted,and 500 m2 membrane filter press is installed in underground mine.
为处理水煤脱水筛的筛下煤泥水,采用浓缩压滤工艺,在井下安装了500 m2的隔膜压滤机。
6) DH
井下;井下的
补充资料：白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条