查询词典 face shield

He bestrode it as a lion in the pride of strength, with shield and on spear before him and a cry of battle on his lips resolute to kill the first that should dare face him.

惟恐阿开亚人拖走遗体，以这种或那种方式，跨站在尸体上，像一头高傲的狮子，坚信自己的勇力

Kinematics from the speakers, it is stable, which is the optimal shield in the box-stent and the stent Crib 1:00, Leung also cover is closed goaf, so as to prevent the rock into the broken roof support Face.

从运动学讲，它是稳定的，这是掩护式支架最优于框式支架和垛式支架的一点，掩护梁也完全封闭了采空区，从而能够防止破碎顶板岩石掉入支撑工作面。

Kinematics fromthe speakers, it is stable, which is the optimal shield in thebox-stent and the stent Crib 1:00, Leung also cover is closed goaf,so as to prevent the rock into the broken roof support Face.

从运动学讲，它是稳定的，这是掩护式支架最优于框式支架和垛式支架的一点，掩护梁也完全封闭了采空区，从而能够防止破碎顶板岩石掉入支撑工作面。

The interaction between cutterhead of shield machine and soils was simulated. The investigation shows that there exists a wider range from active pressure to passive pressure for supporting face stability.

研究表明，仅从保证地表既不隆起又不沉陷的约束条件考虑，掘进工作面从主动土压力到被动土压力存在较大的范围。

The realistic face pressure is expected to be equal to earth pressure at-rest both for making face stability and decreasing fraction resistance between cutterhead of shield and soils during tunneling process.

考虑到减少刀具磨损和节约能源问题，推荐理想的掘进工作面土压力为静止侧向土压力。

As tunneling and cutting equipment of a shield machine ,the cutterhead can excavate stratum,stabilize excavation face,mix soil slag, etc.

刀盘是机械化盾构机的掘削机构，具有开挖地层、稳定开挖面、搅拌渣土等功能，并承受大扭矩、大推力和冲击载荷的作用，其工作状况非常恶劣。

Base on the summarization of the 50 years safety and high efficient coal mining achievements with hydraulic powered shield supports in Huainan coal mines the paper analyzed the rational layout of the gateway,optimized geometric parameters of thecoal mining face,improvement in potential,reform and invonvation,production process control,mien water and mine fire prevention and control,the siutbal conditions for the pseudo inclined coal mining with flexible shild support and other key technologies.

1概况1956年淮南煤矿先后试验了木结构的平板型、撬板形、"く"形、"人"形，钢结构的弧形、弓形、"く"形、"八"形等掩护支架，通过多次工业性试验并对所试验的掩护支架结构进行了一系列改革和完善，终于形成了目前所用的钢结构八字形掩护支架。以单腿支撑式掩护支架为例，八字形掩护支架是由钢梁、钢丝绳、垫板和绳卡、U形螺栓、扁铁、柱托、滑托板等组成。

Even the most probing and daring among the fourth estaters ... have to hesitate in face of a shattered shield law.

甚至连报界人士中最爱寻根究源和最有勇气的……面对这被捣得粉碎的新闻来源保障法，也得却步。

On the reverse is a shield paly of 13 pieces, on the chief the letters "US", supported by sprays of laurel and oak, around the upper edge the inscription "SOLDIER'S MEDAL" and across the face the words FOR VALOR.

"背面是一个帕利盾的13件行政上的字母"美国"，支持的桂冠，并喷洒周围的橡树上边缘的题词"士兵奖章"和全国面对字"的勇气。

He shield his face from blows with a upraised arm.

他举起手臂来保护面孔免遭袭击。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。