沟的

The opening blade has first and second conduits therethrough, extending from, and cooperating with, at uppermost ends thereof, first and second infeed ports in the upper surface.

开沟犁片(14)具有从中穿过的第一和第二通道(36；38)，第一和第二通道从上表面上的第一和第二输入口(30；32)延伸并在其最上端与之配合。

They don t cast very far, but you don t need that on tiny creeks, but what they do best is absorb the shock, so your tippet doesn t get as stressed, there fore your chances of snapping off the fly are reduced.

他们鲍思笔铸很远，但你必须对鲍思笔小小的沟、但他们所承受的冲击是最好，所以不惜笔会给你披肩强调你有机会脱颖而出响过的苍蝇都减少。

And with the toe of my shoe I marked out a rut in his pass, so that he had to climb over it.

我用我的鞋尖在他前进的路上划出一条小沟，这样他就必须得爬过去。

The transformation of coordinates,interactive model,and numerical methods were introduced for the dynamic analyses of deep groove ball bearings.

根据空间坐标变换建立接触和碰撞模型，利用数值方法计算分析，编写了适用于深沟球轴承的拟静力学以及动力学分析的软件包BA。

AHP method with progressive rank structure was applied in the paper to study on the optimum structures of forest type and tree species in Qiuqiangou Forest Farm,Shanxi Province.

选用层次结构的层次分析法作为数学工具，对山西省秋千沟林场的林种和树种结构进行了研究。

Neolithic Hongshan culture jade used in Xiuyan County produced in fine jade groove, commonly known as the old jade, in order to tremolite nephrite.

新石器时期红山文化所用的玉材产于岫岩县境内的细玉沟，俗称老玉，为透闪石软玉。

This was the rainy season and the ground was soft, and his face had scored a trench a foot deep and a couple of yards long.

适逢雨季，地面稀软，他的脸在地上划出一道没过脚踝的深沟，足有两码长。

Days Zhangjiajie is one of the doors, mirror-like it skillfully embedded in the sand trench knife positive Banbi peaks above, as a direct portal of heaven.

是张家界五个天门之一，它明镜般巧妙地镶嵌在沙刀沟正面的山峰半壁之上，象一个直通天庭的洞门。

Three structural positional forms of Baishugou Formation arestudied in the paper,the first structural positional form is wide distribution in the bottom of thesecondary grade thrust一detachment fault inner nappe,overlying thrusting sheet consisted of Lu-anchuan Group of Middle Proterozoic,the underlying strata are Taowan Group of Lower Palaeo-zoic,Baishugou Formation was regarded as bo...

本文研究了白术沟组的三种构造位态，确定其主要呈第一种构造位态广泛分布于推覆体内部某次一级逆冲滑脱断层的下部，其上覆逆冲岩席由震旦系栾川群及中元古界官道口群构成，下伏地层为下古生界陶湾群。

The new design has a bifid tip and S-shaped spatula to exertmore effective pressure in the vallecula area, elevate the epiglottisand change directions of the forces on the tongue to preventposteroinferior displacement of the compressed tongue in thesubmandibular space during laryngoscopy.

新型设计有一双尖端和 S 形压舌片以便在沟回部位更有效施加压力，提升会厌和改变施于舌的力的方向，以防在下颌下部位喉镜压迫舌头导致舌头后下位脱臼。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。