The compass is very essential for us to travel in the forests. without ti, we may get lost. in a word, among all above, I think the ID card is the most important.
指南针对于在森林中旅行的我们是很重要的。没有它，我们可能会迷路。总之，在所有上面三者之中，我觉得指南针是至关重要的。
The compass is very essential for us to travel in the forests. without ti, we may get lost. in a word, among all above, I think the ID card is the most important.
指南针对于我们来说是必不可少的，在森林中，如果没有指南针，我们会迷路。总之，我认为身份证是最重要的。
Results After coating Ti, the surface of Ni-Cr alloy looked light golden without particles, blisters and fragments.
结果镍铬合金经涂钛后，表面无起皮、鼓泡、剥落现象。
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