| 摘要 |
PROBLEM TO BE SOLVED: To aim at stabilized operation and improved durability of pipe fittings, which are easy to handle, good-looking, and can effectively prevent pipe fittings such as gas fuel pressure governor from colliding with others or from being exposed to rain water, dust or the like. SOLUTION: This roof body R consists of top cover Ca swelling upward and bottom cover Cb fitted underneath, which are supported by rigid body frame F through vibration-proof materials 9, 12, and on top face of bottom cover Cb are fixed gas fuel pressure governor Z, gas emergency trip valves V1, V2, and pipe fittings J2 connecting pressure governor Z and trip valves V1, V2 in series and others so as to be covered by top cover Ca.
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