1) blocking soil
井周封闭土质
1.
Methods: Using cluster sampling, the water fluoride content, depth of well, materials of well as well as quality of blocking soil of FCRWQIP before 1996 in Xinyang were measured.
方法 :采取整群抽样办法 ,对被调查县 1996年前的所有改水工程水氟含量、打井深度、井壁结构材料和井周封闭土质进行调查分析。
2) peri-anal sealing
肛周封闭
1.
[Method]Randomly divide 64 cases into 2 groups;the control group 32 cases take peri-anal sealing,the treatment group 32 combined with Chinese drugs fume-cleansing and seated bath,half month as a course,make statistics after 2 courses,take itching disappearing and injured skin recovered normal as evaluation standard.
[方法]64例患者随机分为两组,对照组32例,对照组采用肛周封闭,治疗组肛周封闭配合中药熏洗坐浴。
3) hoist blind
封闭井道
4) confined flood pattern
封闭井网
5) enclosed shaft
封闭竖井
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