排钻 meaning in English
gang drill
◇排钻采石法 line drilling
Examples
- The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no . 2 dark tilt well in huaibei coal mine area are introducded . they include small section enlarged after the heading caving , high negative pressure and multi - raw drilling holes and strenous drawing - off , concentrated cross drill holes , cutting while drawing - off and putting the metal frame away
介绍了淮北矿区芦岭煤矿2主暗斜井采用小断面导硐后刷大、高负压多排钻强抽，密集交叉钻孔边掘边抽及设置金属骨架施工方法和防突措施揭穿高突特厚松软煤层。 - The structure of the modern woodwork , processing quality has proposed higher demand to the wood processing equipment , for instance : wooden tenon position public errand , hole of interval , modes in chinese operatic music of furniture must high many rows of drill is it realize to come very by precision , panel unloading to is it realize to come by accurate person who cuts out board , is it is it is it is it sharpen by accurate numerical control machining center is it realize to come to mill to process to pare to milling extremely high of imitating etc .
现代建筑装饰及家具行业的发展与加工设备是休戚相关的。现代木制品的结构加工质量对木材加工设备提出了较高的要求，如：板式家具的木榫孔间距的位置公差必须由精度很高的多排钻来实现，板材下料是由精密裁板机来实现，仿型极高的铣削加工是由精密数控铣削加工中心来实现的。