Pressuretrol
自動調壓器
??? 情景例句
I admire him for his success in business.
我佩服他事業有成。
This professor has put all of his students to sleep except two.
這位教授使得除了兩人以外的所有學生都入睡了。
so every so often a sample is obtained with a coring bit.
因此時常要用取芯鉆頭取樣。