우물 내 지하수위 수동 측정방법
井内地下水位的手动测量方法

2022-02-15

Manual methods for the measurement of a groundwater level in a well
用于测量井中地下水位的手动方法

2005-10-17

石油和液体石油产品 液位测量 手工法
Petroleum and liquid petroleum products—Level measurement—Manual methods

2023-11-27

Hydrometry — Measuring the water level in a well using automated pressure transducer methods
水文测验——使用自动压力传感器方法测量井中的水位

2009-06-23

Petroleum and liquid petroleum products. Equipment for measurement of liquid levels in storage tanks. Manual methods
石油和液体石油产品 储罐液位测量设备 手工方法

2001-05-15

石油和液体石油产品 储罐液位手工测量设备
Petroleum and liquid petroleum products - Equipment for measurement of liquid levels in storage tanks - Manual method

2011-07-29

Petroleum and liquid petroleum products — Equipment for measurement of liquid levels in storage tanks — Manual methods
石油和液体石油产品——储罐液位测量设备——手工方法

2000-12-21