在钢筋的加工中，弯曲角度不准是造成（）的主要原因之一。

A、箍筋不规方

B、控制应力过大

C、钢筋切断机刀片松动

D、控制冷拉率过大

As we all know, new technology is being ________ almost every industrial process at present.

A．applied to

B．devoted to

C．turned to

D．used to