trepanner

常見例句

• By improving the BTR1-PST286 wish single sucperd hydraulie trepanner made in Germany.Realize adjustable of electric line.preventing accidents of electric line or stecly line fall down.
  通過對新引進的全德國制造BTR1-PST286液壓鉆車配套單軌吊技術改造,實現(xiàn)電纜的自拉自收,避免了電纜拉脫或起吊鋼絲繩拉掉事故的發(fā)生。
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