My company can produce all kinds of odd and even series of core drill pipe and rope.

我公司可以生产各种规格系列的单双管及绳索取芯钻具。

youdao

My company can produce all kinds of odd and even series of core drill pipe and rope.

我公司可以生产各种规格系列的单双管及绳索取芯钻具。

youdao