Trap seal primer valves - potable water supplied 分离器密封起动阀.轻便供水装置
2.
Trap seals for special uses - requirements and test methods 专用存水湾.要求和试验方法
3.
Trap seal primer devices - drainage types and electronic design types 分离器密封起动阀.排水装置类型和电子设计类型
4.
The most critical factors in evaluating and predicting such traps sealed by the reverse fault are the analysis of strike closure and the estimation of fault sealing 评价和预测此类圈闭的最关键因素是进行走向闭合分析和断层封闭性的评价。
