您要查找的是不是:
- Consisting of broken rock, coal, or ore moved from its place of origin. 碎屑状的由从开采地移来的破碎的岩石、煤块或矿物组成的
- Consisting of broken rock,coal,or ore moved from its place of origin. 碎屑状的由从开采地移来的破碎的岩石、煤块或矿物组成的
- A pointed tool, such as a spike or chisel, used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具
- On Earth, breccia is a jumble of broken rocks cemented together by fine-grained material that is found around volcanoes and impact craters. 在地球上,角砾岩是火山周围和遍布陨石坑中由破碎岩石胶混合粘结在一起的细粒物质。
- The behaviour of this waste or broken rock is similar to that of a clean sand or gravel. 这种废石或碎石的行为与洁净的砂石或砾石相类似。
- Round the corner of Croscent Bay, between the pile-up masses of broken rock, a flock of sheep came pattering. 沿着新月海湾的地方,从一堆堆破碎的岩石堆中,一群羊叭嗒叭嗒地跑了过来。
- Flaked and broken rock littered the floor, and the air smelled of dust and crumbling stone. 地板上满是丢得乱七八糟的石头,空气中也弥漫着尘土和碎石的味道。
- The blasting efficacy of break rocks by water coupling charging and explosive coupling charging is discussed in the paper. A few conclusions of significance are gotten. 从理论上对水介质偶合装药爆破与炸药偶合装药的破岩效能进行了讨论,得出一些有意义的结论。
- According to the principle of measuring the broken rock zone(BRZ) with GPR,the method of the measuring of the broken rock zone was proposed. 根据地质雷达测试隧道围岩松动圈的原理,提出了测试方案,并在共和隧道进行了实测,得出地质偏压隧道围岩松动圈的分布变化规律。
- The stricken tanker began to break up on the rocks. 油轮被击中后撞上礁石,毁了。
- A pointed tool,such as a spike or chisel,used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具
- Static fracture agent, after all, is one way to break rock and concrete in complicated surroundings and unable blasting condition. 在环境复杂且不能施爆的情况下,用静态破裂剂破裂岩石或混凝土不失为一条捷径。
- A pointed tool, such as a spikeor chisel, used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具。
- This method takes the detritus returned from bottom hole as the studying object.The fractal mechanism and forming process of broken rock during drilling were studied. 对石油钻井过程中岩石破碎的分形机理及形成过程进行了研究,提出了一种以井底返出的岩屑为对象测试岩石可钻性的新方法。
- The machine must break down at this busy hour. 正忙的时候,机器偏偏又坏了。
- It can break rock to drill by using multiple nozzles to form multiple jet flow, and have efflux energy distribution characteristic of local conformity and integer stack. 采用多孔喷嘴形成多股射流组合,使射流能量分布具有局部集中和总体叠加包络的特点,能够有效地实现破岩钻孔。
- Based on many years research of broken rock zone the paper describes roadway support theory, classification of rocks in the loose rock zone and mechanism of rock-bolting and shotcreting. 基于多年对围岩松动圈的研究成果,本文提出并论述了松动圈支护理论、松动圈围岩分类方法和锚喷支护机理三个问题。
- Water that breaks rocks softly nurtures crops. Fire that burns crops gently warms homes. Tiny seeds become trees to shade passersby. 小水一滴,不断滴落,可穿透磐石,更可润泽大地;星星之火,接续蔓延,可燎烧原野,更可温暖人间;小小种子,灌溉栽培,可长成大树,更可遮荫避雨。
- Under the equal condition, rotate the nozzle by oneself, can be designed in accordance with the actual need while vary the size of aperture of hole, gush out the distance longer effectively, it is apt to give play to the role of its pulse broken rock. 同等条件下,自旋转喷头,成孔孔径大小可依实际需要设计,有效喷距较长,易于发挥其脉冲破岩作用。
- I looked painfully at the vase broken into pieces. 我痛苦地看着这个破得粉碎的花瓶。
