按主体词字母查询
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L
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anchorage loss 锚固损失
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apparent loss 表观损失,视损失
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armature iron loss 电枢铁损
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basin loss 流域损失
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bend loss 弯道损失,弯管段[水头]损失
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bent loss 弯道损失,弯管段[水头]损失
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blade loss 叶片损失,轮叶[能量]损失
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wye level Y形水准仪,回转水准仪,活镜水准仪
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zero level 零级,起点级
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zero water level 水位零点;平均海平面
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level of cavitation 空化程度,空化级别,空化水平
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lightning v.n.闪电,闪电放电
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beaded lightning 珠状闪电
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chain lightning 链状闪电
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lytag 用粉煤灰制成的轻质骨料;粉煤灰陶粒
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