take an engineer who runs a quarrying firm in tamil nadu, providing stone for sands, grits and gravels used in everything from houses to roads.
有位工程师在泰米尔那德邦经营着一家采石场,开采石头用作道路、房屋建造中使用的沙子石子的原料。
they are employed by mining, quarrying and construction companies and by drilling and blasting contractors.
他们受雇于采矿,采石和建筑公司,也受雇于鉆孔和爆破承包商。
the mines and quarries division of the civil engineering department enforces legislation relating to mining, quarrying and explosives, and administers quarrying contracts.
工程署辖下的矿务及石矿部,负责执行有关采矿、采石和爆炸品的法例,并管理采石合约。
the largest use of explosives during the year was for quarrying and site formation works. the overall consumption of explosives was 2100 tonnes.
年内使用爆炸品最多的是采石工程和地盘平整工程,总消耗量为2100公吨。
villagers in the mexican state of veracruz discovered the tablet sometime before 1999, while quarrying an ancient olmec mound for road-building material.
在1999 年之前某时,村民在墨西哥韦拉克鲁斯省发现了石板,当时为了路面建筑,挖掘一个古老的奥尔梅克丘冢进行采石。
they「re all technically savvy, and familiar with the latest and the most advanced quarrying techniques available anywhere in the world.
他们的技术高超,熟悉世界上最新和最先进的采石技术。
experience as a blaster helper in surface mining and quarrying or construction may be required for blasters.
爆破工需要具备地表采矿和采石或建筑爆破帮手的经验。
within the protection zone for a water project, any act of blasting, sinking a well, quarrying rock, and collecting earth, which endangers the safety of the water project, shall be prohibited.
在水工程保护范围内,禁止进行爆破、打井、采石、取土等危害水工程安全的活动。
in 1999, one quarrying contract and three quarry rehabilitation contracts were in force.
年内执行的有一份采石合约及三份复修石矿场合约。
a quarrying operation in reading, pa., is believed by some seismologists to have set off a series of smaller quakes in that region.
还有一些人相信宾夕法尼亚州雷丁的采石作业引发了该地区一系列规模较小的地震。
complementing orica」s bulk systems and packaged explosives products, these products are suitable for application in surface and underground mining, construction, quarrying and tunnelling applications.
这些产品使澳瑞凯的散装系统和包装爆炸品得到进一步完善,适合露天和地下采矿、建筑、采石和隧道开挖应用。
they are quarrying the hillside for marble.
他们正从山坡上采大理石。
drillers and blasters ? surface mining, quarrying and construction.
鉆孔者,爆破工?表层采矿,采石和建筑。
the utility model discloses a planer-type vibrator which is applicable to the fields such as the mining industry, the coking plant industry, the quarrying industry and the cement industry.
本实用新型公开了一种适合采煤、炼焦、采石和水泥等行业使用的龙 门式振动器。
due to the complexity of geological structure but low, close, plus the jinshajiang river, quarrying fluctuation is extremely difficult.
但由于地质结构复杂,地势偏低,加上紧邻金沙江,江水涨落无常,故采石极为困难。
features: rock drilling for opencast mining and quarrying field.
适用于露天矿、采石场开采,用于高低风压潜孔鉆机。