-
深沟球轴承是起重机的一种配件。
Deep groove ball bearing is a kind of crane accessories.
youdao
-
调心球轴承是种起重机配件设备。
Self-aligning ball bearing is a species of crane accessories equipment.
youdao
-
调心球轴承是种起重机配件设备。
Self-aligning ball bearing is a species of crane accessories equipment.
youdao