“弯管”造句

管道的等量长度中的摩擦损失即构成弯管中的压力损失.
Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.

对小半径弯管国产化的可行性,作了技术论证.
The feasibilities of small - radius pipe - bender made in china are demonstrated in technique.

双 棘齿 机构防止弯管过程中压模弹回,且有利于弯管结束后快速松脱.
Double - dog ratchet prevents shoe spring - back during bends; allows fast release after bending.

• #弯管