safe operation
短語詞組
- safe stable operation 安全穩(wěn)定運行
- safe in operation 安全操作;安全運行;繙譯
- safe railway operation [鉄路]鉄路安全運行
- safe repair operation 安全維脩作業(yè)
- safe train operation 列車安全運行
- Safe comfortable operation 安全舒適運營
- safe economical operation 安全經(jīng)濟(jì)運行
- safe -operation 經(jīng)濟(jì)安全運行 返回 safe operation