The AA called for laws to regulate clamping firms.英国汽车协会呼吁立法，规范夹车公司的行为。Our institute is clamping down on those who often play truant.我们学院正在严加惩处那些经常逃学的学生.They are busy clamping down the deck.他们正在忙着冲刷甲板....
She tells me her troubles. I tell her mine.我和她互相倾诉烦恼。Whatever troubles arise, we'll have peace of mind amidst seeming chaos.无论出现什么样的麻烦，我们都会在貌似混乱的情形中保持平和的心态。Scientists are putting a good face on the troubles.科学家们对这些困...
It is ideal casing centralizer for both deflecting and horizontal well.双弓形弹簧片套管扶正器是斜井、水平井理想的套管扶正工具.The conventional casing centralizer can not meet the requirements of expandable casing.传统的套管扶正器满足不了可膨胀套管的扶正要求.Casing cent...