| 摘要 |
Disclosed is a water sampler and method for dropping the water sampler from an airplane to obtain a sample of water from a body of water; the water sampler comprising a tubular member with ball valves at both ends and an open ended canister disposed between the ball valves, a line connected between the airplane and the tubular member for yanking the tubular member through and from the water, the yank of the line being used to move the ball valves from an initially open position to a subsequently closed position, the canister thereafter being capped and removed.
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