同义词： needlefish
以上来源于: WordNet
N any of various teleost fishes of the genera Nerophis, Syngnathus, etc, having a long tubelike snout and an elongated body covered with bony plates: family Syngnathidae 海龙 (Also called needlefish)
It is more effective for fishing the blocked oil pipe with the distorted fish top, especially with flexing flat full head.
用途打捞鱼顶变形，尤其对弯扁鱼头的遇卡油管更加有效。
The water flow velocity in the suction pipe, which is crucial for evaluating the performance on pumping fish, can be measured by the pumped water flow rate of the riser in an air lift pump system.
气力提升泵的水输送量反映了提升管进口的流速情况，而进口流速是衡量吸鱼效果的重要因素。
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