Crane and lifting systems
Crane and lifting systems
The crane is usually mounted on a pedestal to offer adequate ______ to the operator.
The crane is usually mounted on a pedestal to offer adequate ______ to the operator.
Yellow Crane Tower was originally _________ a watch tower for military purpose.
Yellow Crane Tower was originally _________ a watch tower for military purpose.
What did Crane regard war as in The Red Badge of Courage? ( )
What did Crane regard war as in The Red Badge of Courage? ( )
Which of the following building used tower crane for the first time?
Which of the following building used tower crane for the first time?
MRS指的是
MRS指的是
The excavators are（）heavy that we have to use a floating crane to life them.
The excavators are（）heavy that we have to use a floating crane to life them.
边际替代率如果用MRS表示的话，我们有两个公式成立：公式1：MRS=MUx/MUy；公式2：MRS=-∆Y/∆X。于是
边际替代率如果用MRS表示的话，我们有两个公式成立：公式1：MRS=MUx/MUy；公式2：MRS=-∆Y/∆X。于是
边际替代率如果用MRS表示的话，我们有两个公式成立：公式1：MRS=MUX/MUY，公式2：MRS=∆Y/∆X。于是我们有如下结论：
边际替代率如果用MRS表示的话，我们有两个公式成立：公式1：MRS=MUX/MUY，公式2：MRS=∆Y/∆X。于是我们有如下结论：
The load chart of a crane enables the operator to combine the load radius with boom length to determine the（）.
The load chart of a crane enables the operator to combine the load radius with boom length to determine the（）.