The structural feature and working process of the bending flaring die for conduct pipe was introduced.
介绍了导管弯曲扩口模的结构特点及模具工作过程。
Seamless steel pipe, senior experts have pointed out that iron ore import qualified awarded can be used to conduct open and transparent manner, such as auction.
资深无缝钢管专家指出，铁矿石进口资质的颁发可用公开透明的方式进行，比如竞拍。
The transverse joints of Laxiwa arch dam use JBJ-60 one-way grouting device to conduct the repeated grouting in the original plastic pipe.
拉西瓦混凝土双曲拱坝的横缝采用JBJ-60型单向注浆器在原有塑料拔管系统的基础上进行重复灌浆。
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