First, it is a selection type designing of steel-cored belt conveyor, this part of program let computer finish large quantity of repeated calculating, proofing, checking table and selecting and so on.
首先对钢绳芯带式输送机进行选型设计，使大量重复的计算、校核、查表、选型等繁杂的工作用计算机来完成。
2
First treat her like a child... pick up ALL things with in reach... like child proofing your home.
首先要把她看作个孩子…要把所有她能够得到的东西收起来。就像家里有小孩要防止意外发生那样。
3
This is our russell proofing area, first phosphoric acid then zinc primer then paint, your choice.