查询词典 hard-grained

According to various of the technical difficulties such as low drilling efficiency in hard rock and short service life of diamond drilling bit, analysis was made on the inherent links between blade-extruding of hot-pressing diamond and rock abrasiveness.

中文摘要：针对在坚硬致密岩石中钻进时效低和钻头使用寿命短的技术难题，分析了热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于金刚石出刃，从而能提高钻进速度。

In order to solve the problem of low efficiency and short service life of hot pressed diamond bit when drilling in hard and compact formation, relations between diamond exposure of hot pressed bit and rock abrasiveness were analyzed in this paper. Research on matrix performances of hot-pressed diamond bit was firstly carried out.

针对在硬而致密岩石中钻进时效低的难题，本文分析了碳化钨基热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于全刚石出刃，从而能提高钻进速度。

I have to work hard to stay abreast of the development of our times.

我必须努力工作跟上我们时代的发展。

So we'll structure your account to keep the overhead on each of your hard earned sales to the absolute minimum.

因此我们将会结构你的帐户，以保持开销就你每次得来不易的销售，以绝对最低的。

First the absolute value of 1 learns very hard?

初1的绝对值很难学会的吗？

The traditional politics of Principle of Welfare is a kind of ideal theory, which is hard to be carried out in emperor's absolutism.

传统民本政治是一种理想色彩很浓的理论，在君主专制主义时代是不可能实现的。

Nevertheless, it is pretty hard to defend absolutist morals on grounds other than religious ones.

然而，要想为不基于宗教的绝对论道德辩护是一件很困难的事情。

Though philosophers have a natural penchant for being , Absolutists when they write about education, it is surprisingly hard to find good examples of this position—was Plato an Absolutist?

虽然哲学家作为人有一种自然的喜好，但绝对主义者当他们论述教育时，令人称奇的是在这一观点上很难发现一个好的例子——柏拉图是一个绝对主义者吗？

It's hard to absorb so much information.

很难一下接受这么多的信息。

The company spirit of "honesty, hard work, innovation" the enterprise spirit of "customer demand began, and finally customer satisfaction" for the purpose of absorbing products, set around the world advanced and practical technology integration for the application of market demand continues improvements, design and development of various different gang, flexible workpiece enterprises practical balance test apparatus.

公司本着"诚信、实干、创新"的企业精神，以"始于客户的需求，终于客户的满意"为宗旨，产品博采众长，集世界各国的先进实用技术为一体，为适用市场需求，不断持续改进，设计开发出各种不同刚、挠性工件企业实用的平衡测试仪器。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。