| 摘要 |
The tank valve unit includes a support body, and a fuel cutoff valve installed on the support body. The support body includes a mounting plate having a support engaged portion. The fuel cutoff valve has a casing in which a valve chamber is defined by a tubular casing body and a bottom cover installed in the bottom part of the casing body; and a float mechanism housed inside the valve chamber. The bottom cover has a first engaging portion adapted to attach to the casing body by engaging the casing body, and a second engaging portion adapted to secure to the mounting plate by engaging the support engaged portion.
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