check valve 止回阀 ; [机] 单向阀 ; [机] 逆止阀
summing valve check 总阀检查
brake system relief valve check 制动系统安全阀检查
retarder control valve check 减速器控制阀检查
governor control valve check 调速器控制阀检查
high pressure cutoff valve check 高压停车阀检查
ball check valve 落球式止回阀 ; [机] 球形止回阀 ; 止回球阀 ; [机] 球形单向阀
stop check valve 切断式止回阀 ; [机] 截止止回阀 ; 堵截式止回阀
relief valve check 安全阀检查
shuttle valve check 往复阀检查
This includes removing any mineral deposits around the seat beneath the valve. Also check that the pull chain attached to the valve is not too short and holding the valve slightly open.
首先，确定让水位上升的砖头或者马桶清洁装置没有挡到阀门，让它不能正确关闭；然后清除挡水阀座周围的矿质沉淀物，检查连在挡水阀的拉管是不是太短，有没有把挡水阀拉得有轻微缝隙。
Clean, adjust relief valve -, check for worn and dirty valve.
清洁，调节安全阀，检查是否有磨损和肮脏的阀门。
At present, we develop and produce the main products including butterfly valve, ball valve, check valve, gate valve and so on.
目前，开发生产的主要产品有蝶阀、球阀、止回阀、闸阀等。
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