请输入您要查询的英文单词:
单词
travelling mast
释义
travelling mast
简明释义
移动桅杆
网络释义
1
?移动桅杆
移动桅杆
双语例句
1
Main parts such as crownblock,
mast
, substructure, rotary table and
travelling
system of drilling rig meet API standard.
钻机天车、井架、底座、转盘及游动系统等主要配套件符合API规范。
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更新时间:2026/8/13 20:51:11