钻孔锤

Pneumatic down-the-hole hammer is a drilling method with many advantages.Its features,such as wide application range,high hole quality,no circulating medium,low operation regulations,and drilling big diameter rock hole,fit to construct slide-resistant pile.

风动潜孔锤钻进是一种具有许多优点的钻进方法，它的许多特点，如成孔质量高、应用范围广、无液体循环介质、钻进规程参数小、可实现大直径基岩钻孔等都适合于抗滑桩施工。

The programe of setting of steel casings with the mature and effective methods of advance drilling and throwing fills in the clay and the slabstone and the cement is taken.

西江富湾特大桥56号主墩基础为18根φ2.50 m大直径钻孔灌注桩，由于存在深水、基岩倾斜、岩溶等因素，导致了复杂的成孔工艺，采用"钢护筒跟进"方案结合超前钻、抛填粘土、片石、水泥等较成熟且有效的方法进行施工，根据处理溶洞漏浆、塌孔、卡锤和埋锤的经验，总结了深水岩溶桩基的施工技术

Rotary hammer, cordless driver drill, electric drill, marble cutter, angle grinder, trimmer, die grinder, diamond core drill, engineer drill.

1G82 电锤，充电式电钻，电钻，石材切割机，角向磨光机，修边机，电磨，金刚石钻孔机，磁座钻。

The down-the-hole hammer drilling is to use compressed air as circulation medium substituted conventional mud,has solved problems of coalfield sealed fire area exploration high temperature water burst in boreholes,burnt rock loosen and developed fissures,instable and easy to collapse,broke through low drilling efficiency in hard rocks.

潜孔锤钻进是以压缩空气代替传统的泥浆作为循环介质，解决了煤田火区勘察钻孔中高温水爆、烧变岩疏松裂隙发育、不稳定易坍塌的问题、突破了坚硬岩层硬钻探效率低的难题。

DTH hammer ; pilot drilling ; hole deviation rate ; horizontal drilling hole

吉林大学；田野潜孔锤；导直钻进；孔斜率；水平钻孔

The group's principal products include various kinds of single-head and multi-heads deep soil methed mixing pile machine, track drilling jumbo, static pressure pile machine, hammer pile machine, complex pile machine, screw pile machine, diaphragm wall drill machine for SMW method, rotatory drill machine, slurry pump, mortar pump, tap, drill rod, drill head, drill tool, construction material as well as textile machine and textile.

该集团公司的主要产品包括各种类型的单头搅拌桩机和多头搅拌桩机、各种类型的履带式凿岩台车、各种型号的静压桩机、各种类型的锤击桩机、各种类型的复合桩机、各种类型的螺旋桩机、各种类型的SMW工法的连续墙钻孔机、各种类型的旋挖钻机、各种类型的泥浆泵、沙浆泵、以及各种类型的水龙头、钻杆、钻头、钻具、建筑材料。还经营各种类型的纺织机械和纺织品等，我们还可以根据不同客户的要求和特点，设计不同的产品来满足客户的不用要求，我们可以为客户提供专业的服务。

Warning device with safety and durability in the room. M85D leader can rotate at 135° and the pile hammer and flight auger can be hanged on it at the same time.

室内安装有安全报警装置，安全可靠。M85D立柱可回转135°，立柱可同时挂上打桩锤和螺旋钻孔机。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷