魚尾鉆 的英文怎麼說
中文拼音 [yúwěizhēn]
魚尾鉆
英文
fishtail bit-
Railway fixed equipment. sawing and drilling of flat - bottom rails of types superior or equal to 26 kg m, of 60 g, 70 g grooved rails and their fischplates
鐵路固定設備.大於kg m的g g形平底軌及其魚尾板的切割和鉆孔Steel filter pipes for drilled wells with slot perforation and fisching butt strap joint
帶開槽搭接孔和魚尾板連接的鉆井用鋼制濾管
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