井架

Team of oil artesian well came in the village later, I curious long to see the landscape of far, ignore risk unexpectedly, climb to be looked at to a few meters tall derrick alone.

后来村里来了石油钻井队，好奇的我渴望看到远处的风景，竟不顾危险，独自爬到几十米高的井架上远望。

It has to be tall because it is like a giant block and tackle

井架必须很高，因为它像一个巨型滑轮组。

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。

If you kill Derrick you will be able to call Frank from then on to lower your wanted level.

如果你杀井架你将能够呼吁坦诚从那时起，以降低您的希望的水平。

In order to ensure derrick works safely and effectively,it is necessary to evaluate its carrying capacity.

为确保井架安全有效地工作，必须对其安全承载能力作出评估。

It provides an effective way for the evaluation of the oil derrick bearing ability.

为石油井架承载能力的评定提供了有效的手段。

What's the main issue that Derrick wants to give Wendy feedback on?

什麼样的主要问题井架想给予温迪的反馈意见？

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。