为减轻结构重量、人员进出及便于舱室之间空气和油水的流动,其上开有减轻孔(lightening hole)、气孔(air hole)和流水孔(drain hole),有些减轻孔专门设计成便于人员通过的人孔(manhole),除轻型肋板外,人孔的高度应不大于该...
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...纵梁(Side girder) 6‧内底板(Inner bottom) 7‧舟必缘板(Margin plate) 8‧人孔(Manholes) 9‧减轻孔(Lighting holes) 双重底图二 双重底图三 五.
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... 减轻刺激 abirritate; 减轻孔 lightening core; 减轻损失 misstatement of damage; ...
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精镗减轻孔 finish boring lightening hole
艏尖舱中平台(水平位臵)上的减轻孔应为格栅型。
Lightening holes at platform (in horizontal position) in peak tanks to be grating type.
该联盟执行董事埃里克·勒孔特(Eric LeCompte)表示,该组织正试图说服这些机构进一步减轻尼泊尔的经济负担。
The coalition's executive director Eric LeCompte says his organization is trying to persuade the agencies to do more to ease the financial burden on Nepal.
检测精度高,降低了玻璃制品上未钻通孔的发生率和错、漏检率,也 减轻了劳动强度。
The detection precision is high, the incidence, the fallout ratio and the omission ratio of the non-drilling through hole on the glass product are reduced, and the labor intensity is also reduced.
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