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水平定向钻机
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水平定向钻机
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工学
掘进机械
释
horizontal directional drilling machine
水平定向钻机
在不开挖地表面的条件下,铺设多种地下公用设施(管道、电缆等)的一种施工机械。
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semiuniversal
semiuniversal deformation
semiuniversal extension
semi-variation
semi-variational
semivariety
semivector
semi-vertex angle
semivitreous
semi-vowel
semiwave
semi-wave antenna
semi-worsted spinning
sempervirine
Sem Schilt
semulsifier free emulsion polymerization
semulsifier-free emulsion polymerization
Semu people
Semyon Afanasievich Vengerov
Semyon Fridlyand
Semyon Izrailevich Lipkin
Semyon Petrovich Babayevsky
Semyon Petrovich Gudzenko
Semyon Solomonovich Yushkevich
Semyon Yakovlevich Nadson
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