シート遮水式のダム湖や貯水池に対し、水位低下や締切を必要とせずに、水中にドライ空間を合理的に形成できる水中鋼管建て込み工法を提供する。例文帳に追加

To provide a method of constructing an underwater steel pipe capable of reasonably forming a dry space under water in sheet impermeable dam lakes and water storage ponds without lowering the level of water therein or without closing them. - 特許庁

貯水室の水位が所定値以下に低下すると、送風機７から三方弁７ｖを介してエアリフト管９にエアが送られ、流入室２内の生活排水はエアリフト管９を介して浄化室４へ送られる。例文帳に追加

When the water level of a water storage chamber is lowered below a specified value, air is sent to an air-lift pipe 9 from a blower 7 through a three-way valve 7v, and the sewage in an inflow chamber 2 is sent to a purifying chamber 4 through the air-lift pipe 9. - 特許庁