Rain down the grass stems roll down, a drop of drill into the earth, and a drop into the grass mouth, can not find.
雨珠顺着小草的茎滚下来，一滴钻到土里，又一滴钻到了小草的嘴里，找不到了。
The earth all things recovery, the grass from the earth drill out, this is the spring's eyebrows.
大地万物复苏，小草从土里钻出来了，这是春天的眉毛。
Feline winter in the land of grass after the baptism of the spring rains are scrambling to drill out of the earth.
在土地里猫冬的小草经过春雨的洗礼后个个争先恐后的钻出了大地。
Sometimes he sends is drill more than a mile into the earth.
有时他得把钻头钻入地下一英里深。
An analysis related to various kinds of soil cutting by earth auger, this paper puts forward that running speed of frill should be faster than critical speed so as to increase the efficiency of drill.
通过分析长螺旋钻机在切削各类土质时，钻具的角速度与土块运动机理关系，提出确定钻具临界的方法，而工程施工中钻杆的实际转速应大于临界转速，以提高钻机的工作效率。
Thee grass from the earth drill out, tender and green, it covered every corner of the campus, it can be seen everywhere the green life, how tough it is!
小草从泥土里钻了出来，嫩嫩的，绿绿的，它爬满了校园的每一个角落，到处可见它那绿色的生命，它是多么地顽强！ ！
The grass with the fragrance of the earth in your drill out, drifts, and extinct volcanoes, tender and green flowers also stretches out his arms and yawn, small head out;
小草带着泥土的芳香钻了出来，一丛丛，一簇簇，又嫩又绿花儿也伸了伸懒腰，打了个哈欠，探出了小脑袋；
Mom: because the earthworm younger brother will drill the earth, the earth will protect him!
妈妈：因为蚯蚓弟弟会钻土，大地会掩护他啊。
The paper mainly introduces the design method of power supply and earth-leakage circuit for the electric-coal-drill integrated unit.
本文主要介绍煤电钻综合装置电源与漏电保护电路的设计方法。
The paper mainly introduces the design method of power supply and earth-leakage circuit for the electric-coal-drill integrated unit.
本文主要介绍煤电钻综合装置电源与漏电保护电路的设计方法。
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