It is a matter of course that a sufficient amount of the brake fluid is accommodated in the second flow channels 3 and 3, the first and second connecting flow channels 31 and 32, {TAIL ~ the tank} 8 and {HEAD ~ the first flow channels} 2 and 2 
It is a matter of course that a sufficient amount of the brake fluid is accommodated in the second flow channels 3 and 3 , the first and second connecting flow channels 31 and 32 , { TAIL ~ the tank } 8 and { HEAD ~ the first flow channels } 2 and 2
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