螺紋錨桿 的英文怎麼說
中文拼音 [luówénmáogǎn]
螺紋錨桿
英文
indented bolt-
The application of resin bolt made in thread steel with left direction revolves and no lengthways physique at coal mine entry
左旋無縱筋螺紋樹脂錨桿在回採巷道的運用Development and application of screw steel spiral recoverable bolt
螺紋鋼螺旋式可回收錨桿研製與應用Features and application of the resin - bedded screw - thread steel bolt
螺紋鋼樹脂錨桿特點分析及其應用
分享友人