pilot valve
plural of glaring
plural of scherif
A small hand-operated valve to let in liquid to operate a valve that is difficult to turn by hand.
A fine precision saw with a metal strip to provide stiffening along its back; used to make tenons and other joints.
メインゲートが動かなくなったとき、技術者は手で操作する小型の弁を開いてアクチュエータに液体を入れ、回しにくい弁を動かせるようにした。
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