safetyman

常见例句

• One of two defensive backs;a safetyman.
  最后方的后卫：两个防守方的后卫之一；
• 11 Radiography work must be carried out by at lease two (2) persons certified as radiographers, one (1) of which will act as a supervisor, the other will act as the safetyman and assistant.
  放射性施工应由至少两名合格的放射线技师进行，一人监督，另一人负责安全和协助。
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