“弯管”造句
2024年07月01日 04:31:52
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.