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The chamber is bounded on the outer side by a ring wall (10) extending downward toward the flat top surface of the valve seat (2), and provided with a sharp edge (13). The top (14) of the annular damping chamber is a flat surface parallel to the flat surface (3) of the valve ...
The shut off valve at the gasoline tank which can be operated from outside the tank space ().A.controls the amount of gasoline to the engineB.shuts off the gasoline supply at the tankC.is used if the gasoline tank leaksD.All of the above的答案是什么.用
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A water feed is incorporated which, when the cistern is filled, exerts a counter pressure on the auxiliary valve (7) in a channel (13) connected to it. This causes the auxiliary valve to close the main valve (4). The stand pipe (12) is ... O Eckart 被引量: 0发表: 2001年 VALVE...
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SHUT-OFF VALVE PROBLEM TO BE SOLVED: To provide a shut-off valve capable of immediately grasping a factor of position change of a valve element from an open position to a close position, and capable of rapidly performing returning work.SOLUTION: A shut... T Takashi,寺田 孝 被引量: 0发表...
A pipe carrying a fluid incorporates a safety shut-off valve within a housing. The inner face of the housing has a circumferential ring acting as face against which a hinged circular safety flap opens and closes. The hinge pivot is beyond the flap diameter. A minimal gap exists between the...
Acontrols the amount of gasoline to the engine Bshuts off the gasoline supply at the tank Cis used if the gasoline tank leaks DAll of the above 正确答案 答案解析 略 真诚赞赏,手留余香 小额打赏 169人已赞赏
If you smell gas, shut off the main gas valve(阀). If there’s sign of damage to electricial wiring, shut off the power at the control box. If the phone is working, only use it in case of emergency(紧急情况). Avoid driving if possible to keep the streets clear for emergency ...