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・ Diverticulitis
・ Diverticulosis
・ Diverticulum
・ Diverticulum (mollusc)
・ Divertimenti for ten winds (Mozart)
・ Divertimento
・ Divertimento (Penderecki)
・ Divertimento for chamber orchestra after keyboard pieces by Couperin
・ Divertimento for String Orchestra (Bartók)
・ Divertimento in E-flat (Mozart)
・ Divertimento in G major (Haydn)
・ Divertimento No. 11 (Mozart)
・ Diver rescue
・ Diver training organizations
・ Diver trim
Diver's pump
・ Diver-class rescue and salvage ship
・ Divercala
・ Divercia
・ Divergence
・ Divergence (album)
・ Divergence (computer science)
・ Divergence (disambiguation)
・ Divergence (film)
・ Divergence (linguistics)
・ Divergence (novel)
・ Divergence (statistics)
・ Divergence Eve
・ Divergence of the sum of the reciprocals of the primes
・ Divergence Peak


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Diver's pump : ウィキペディア英語版
Diver's pump

A diver's pump is a manually operated low pressure air compressor used to provide divers in standard diving dress with air while they are underwater.
==Rotary==
Rotary pumps are driven by a crankshaft that is rotated by handles on two flywheels attached to the ends of the shaft on each side of the pump. Rotary pumps can be built with two and three cylinders, and are operated by a team of two men. Pistons attached to the crankshaft draw in air through the inlet valves and then pump it through the outlet outlet valves to an air hose which delivers the air to the helmet of the diver. Cylinders, valves and outlet fittings for air are generally made from brass for corrosion resistance in the marine environment.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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