-
适合三通四通管件侧孔的预胀型加工。
Suitable for side expansion processing of Tee pipe fitting and Cross pipe fitting.
youdao
-
比较端孔导管与侧孔导管。
Comparison of end hole catheters with side hole catheters.
youdao
-
比较端孔导管与侧孔导管。
Comparison of end hole catheters with side hole catheters.
youdao