jackdrill

[机] 凿岩机

常用释义

词性释义

n.

[机] 凿岩机
例句
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1·YNF30 jackdrill with caunter-cylinder is developed with the aim at resolving the problem existing in the deep-hole drilling by single-cylinder hand diesel jackdrill.
针对当前单缸手持式内燃凿岩机深孔凿岩存在的问题，研制了YNF30型带副缸式内燃凿岩机。
同义词
n.

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