Since 1954, Press seal Gasket has been a leader in the design and manufacture of sealing products for underground collection systems worldwide.
自从1954年，PressSealGasket已经成为世界性的设计与生产地下收集系统密封产品的领军者。
The deformed destruction of soft rock is led by many reasons, such as the low intensity itself, the exploiting press, underground water, support and the quality of support etc.
软岩巷道的变形破坏由多种原因造成，受软岩自身强度较低、采动压力、地下水、支护方式、支护质量等综合性因素影响。
The deformed destruction of soft rock is led by many reasons, such as the low intensity itself, the exploiting press, underground water, support and the quality of support etc.
软岩巷道的变形破坏由多种原因造成，受软岩自身强度较低、采动压力、地下水、支护方式、支护质量等综合性因素影响。
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