查询词典 drill hammer

The drill rigs are a kind of fast drilling equipment which is rotated by an air motor, pushed by one or two air cylinders and the low or middle air pressure DHD hammer could be used.

演练钻机是一种快速钻井设备是由一个旋转的空气马达，推由一个或两个空气气罐及低或中等空气压力dhd锤，可用于。

Modular designed rig makes it has lighter weight for easy movement to reduce auxiliary time to get more efficiency and a middle air pressure DHD hammer to be used makes the rig can drill at higher speed.

模块化设计的钻机，使有重量轻，方便运动，以减少辅助时间，以获得更多的效率和中间的空气压力dhd锤将用于使钻机可以钻在更高的速度。

It also analyzes the reasonable method to determine such drilling parameters as drill pressure,rotation speed,gas injection pressure,gas injection volume in view of the character of air hammer drilling in detail,elabora.

分析了我国煤层气勘探开发现状，基于煤层气生产特征分析了煤层气开发向产业化、商业化发展降低钻井成本的主要技术方法。

The product has five serried and more than eighty specifications. The main products are electric hammer,electric planer, electric drill,circular saw,electric shears, impact drill,angle grinder,vertical grinder,electric floor sander,stone cutter,formed material culter,grass mower,electric lopping shears etc.the company attaches importance to improving product quality and service level.

公司已形成了以&光明&牌为主导的五大类八十多个品种的生产规模及销售网络，其中主要产品有：电锤、电刨、电钻、电园锯、电剪刀、冲击钻、角向磨光机、直向砂轮机、地板砂光机、石材切割机、型材切割机、剪草机、剪枝机等，并取得国家&CCC&认证、&ISO9002&质量体系认证，可提供&CE&、&UL&认证的产品。

In addition, only the impact of China's electric tools electric drill, electric drill, electric hammer and a small number of varieties have electronic speed control functions, most are single-speed products, users should not meet the level of product requirements.

此外，只有中国的电动工具冲击电钻，电钻，电锤和少数品种有电子调速功能，大部分是单速的产品，用户应不符合产品要求的水平。

Company's main products are: electric hammer, electric drill, wall openings, and perforated metal, and woodworking hole, and cemented carbide drill series.

公司生产的主要产品有：电锤、电钻、墙璧开孔器，金属开孔器，木工开孔器，硬质合金钻头等系列。

Production of rigid impact of Hammer Drill, woodworking blades , drill blades , serrated blade, long and thin.

生产硬质合电锤冲击钻头、木工刀片、钻头刀片、锯齿刀片、长条薄片等。

Series hd high air-press dth are designed as a hammer drill. they differ from other rock drills, however, through continuous operation down against the drill bit.

hd系列高风压冲击器是一种冲击凿岩工具，但他与其它凿岩工具不同的是，凿岩过程中它始终留在孔的底部，活塞直接冲击钻头。

Chuzhou·Chaoyang Construction Machinery Factory is a professional engineering machinery breaking hammer supporting manufacturers, to adapt to changes in the market, specially invited more than heat treatment engineer successfully developed a series of drill rod license Chaoyang, Chaoyang Brand drill rod special alloy steel materials, the use of domestic precision processing technology and advanced gas shielded Korea, nitride special heat treatment technology to ensure outstanding product performance and service life.

滁州市全椒朝阳工程机械厂是一家专业工程机械破碎锤配套制造商，为适应市场变化，特聘请多名热处理高级工程师，成功开发出朝阳牌系列钎杆，朝阳牌系列钎杆采用特殊的合金钢材料，采用国内精密工艺技术加工和先进的韩国气体保护、氮化热处理特殊技术制造，从而保证了产品杰出的性能和使用寿命。

The mechanism of vaporization , cavitation and water-hammer of drill fluid occurring on the suction stroke of drill pump is investigated.

对钻井泵吸入过程中钻井液产生汽化、汽蚀与水击现象的机理进行了探讨。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。