求翻译：4月开始到兰州安装现场，进行厂房钢结构的安装，土建，和围护结构的安装，本人4-6月在兰州现场主要协助项目经理，对材料，竣工资料，现场吊装等事宜进行管理。是什么意思？

April to Lanzhou installation site, the installation of the steel plant, civil, and building envelope installation, April-June, Lanzhou scene assist project managers, materials, and completion data, the scene hoisting matters relating to management.

Starting April, Maryland to install on-site plants, steel in the construction, installation, and the structure of the installation, i 4-6, on-site in Maryland, primarily to assist project managers on the material, information, and was completed on-site lifting, management.

In April starts to Lanzhou to install the scene, carries on the workshop steel structure the installment, the construction, with the surrounding protection structure installment, myself 4- in June in Lanzhou scene main assistance project manager, to the material, completion material, matters concern

Lanzhou, began in April to the installation site, factory installation of steel structures, construction, and installation of exterior-protected structure, I in April-June, the field primarily to assist program managers in Lanzhou, materials, completion data, manage on-site matters such as lifting.

正在翻译，请等待...