查询词典 drill

The cutting part of a drill usually pointed and threaded and is replaceable a brace or bitstock or press .

钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换，用在柱柄或床。

The cutting of a drill usually pointed and threaded and is replaceable in a brace or bitstock or press .

钻机的切割部分；通常是的有螺旋状图案并且可以更换，用在柱柄或床上。

A and threaded for drilling and boring that is secured in a brace , bitstock , or drill press .

钻头曲柄，钻柄或钻床之上用于钻孔的尖头来源：词友

A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.

锥钻，打眼钉钻头倾斜的钻子，用于在木头上钻孔以钉角钉或螺钉

"A pointed and threaded tool for drilling and boring that is secured in a brace , bitstock, or drill press."

曲柄、钻柄或钻床之上用于钻孔的尖头工具。

It has to be tall because it is like a giant block and tackle, and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

井架必须很高，因为它像一个巨型滑轮组。我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It has to be tall because it is like a giant block and tackle, and we have to lower into the ground NEW CONCEPT ENGLISH-BOOK FOUR and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

井架必须很高，因为它像一个巨型滑轮组。我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It has to be tail because it is like a giant block and tackle, and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom

井架必须很高，因为它像一个巨型滑轮组。我们必须把很大的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It has to be tall because it is like a giant block and tackle ,and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are roated bu an engine at the top and are fitted with a cutting bit at the bottom.

井架必须很高，因为它像个巨型滑轮组。我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

It has to be tall because it is like a giant block and tackle, and we have to lower into the ground and haul out of the ground great lengths of drill pripe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

钻井必须很高，就象一个巨大的滑轮。我们必须降到地下然后将钻杆拔出来。钻杆的顶端有一个马达使它旋转而底部是一个尖头。

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％。