Butterfly spring valves are important safety attachments of boiler pressure vessels, they are used to prevent system pressure from exceeding allowable limit value.
蝶形弹簧安全阀是锅炉压力容器的重要安全附件,用于防止系统压力超过允许的极限值。
Draw off system water until boiler pressure reads zero.
将系统中的水排出,直到锅炉压力读数降为零。
Article 48 in case any imported medical instruments are the boiler pressure vessels, the safety surveillant inspection thereof shall observe other relevant provisions of the GAQSIQ.
第四十八条进口医疗器械中属于锅炉压力容器的,其安全监督检验还应当符合国家质检总局其他相关规定。
The article introduces a style of design of the full-automatic boiler pressure controller based on single chip microcomputer.