One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 378
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Fill-in-the-blank: （ ） is commonly used on low-pressure flammable gas pipelines, where the end of the pipeline is at a location with an open flame or where there is a possibility of an open flame being generated. Answer: Flame arrester
(Fire arrestors) are commonly used in low-pressure flammable gas pipelines, where the end of the pipeline is at a location with an open flame or where facilities that may generate an open flame are present.
(Fire arrestors) are commonly used on low-pressure flammable gas pipelines, where the end of the pipeline is at a location with an open flame or facilities that may generate an open flame.
(Fire arrestors) are commonly used in low-pressure combustible gas pipelines, where the end of the pipeline is at a location with an open flame or where devices that may generate an open flame are present
Flame arrester. －－－－－－－－－－－－－－－－－－－－－－－－－－
(Fire arrestors) are commonly used on low-pressure flammable gas pipelines, where the end of the pipeline is at a location with an open flame or facilities that may generate an open flame. It’s repeating from September 4th
(Fire arrestors) are commonly used on low-pressure flammable gas pipelines, where the end of the pipeline is at a location with an open flame or facilities that may generate an open flame.
(Fire arrestors) are commonly used on low-pressure flammable gas pipelines, where the end of the pipeline is at a location with an open flame or facilities that may generate an open flame.