| EXAMPLE SENTENCES | ||
|---|---|---|
这台凿岩机钻透了岩石。 This drill can bore through the rock. | ||
冲击能是凿岩机最重要的性能指标。 The impact energy is the most important performance parameter of rock drills. | ||
为气动凿岩机噪声治理提供了依据。 It can provide the base for noise control of pneumatic drill. | ||
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。 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. | ||
利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩。 This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance. | ||
一般情况下，在岩石平巷掘进工作面的涌水中，在多台凿岩机集中打眼之前，固体颗粒含量最少。 Under normal circumstances, Drifting in the rock face of the gushing water, in the concentration of multiple drill rock drill before the solids content of at least. | ||
石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。 Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting. | ||
