Chinese translation for "pretrenching"

预挖沟

Similar Words：

"pretreatment of water" Chinese translation, "pretreatment phase" Chinese translation, "pretreatment plant" Chinese translation, "pretreatment tank" Chinese translation, "pretrematic" Chinese translation, "pretretment equipment" Chinese translation, "pretrial" Chinese translation, "pretrial conference" Chinese translation, "pretrial conferences" Chinese translation, "pretrial discoveryy" Chinese translation