Circular rod level 圆盒水准器 ; 尺规圆水准器
level rod 水准测杆 ; 量油杆
oil level rod 量油杆 ; 油位测量杆 ; 量油位杆
four-level laser rod 四能级激光棒
three-level laser rod 三能级激光棒
self-reading level rod [测] 自读水准尺 ; 自读式水准尺
fluid level gauge rod 测定液位的指示杆
four level laser rod 四能级激光棒
The vibrating rod level switch is a new type of level switch, whether it is installed correctly is a key for affecting normal work of vibrating rod level switch in practice.
振动棒料位开关是一种新型的料位开关，在实际应用中正确地安装是影响振动棒料位开关正常工作的关键。
This program can be used in design of connecting rod to improve the level of design.
本程序可直接应用于设计计算中，以提高连杆的设计水平。
The technology, equipment and technical parameters of high speed wire-rod mill in Zhangjiagang, with the highest technical level in the world, are introduced.
介绍了具有当前世界线材轧机最高水平的张家港高速线材轧机的工艺、设备情况及主要技术参数；
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