safe in operation的意思|示意

The optimized design is practicable in mining, safe in operation and reasonable in economy.

优化后的设计从采矿角度是可行的, 从生产角度是安全的,从经济角度是合理的.

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Stress Corrosion Cracking (SCC) has been considered as a vital threat to the safe in operation of gas or oil transmission pipelines.

应力腐蚀开裂(SCC)已经被认为是天然气或石油输送管道的操作的一个重要威胁安全。

It is simple in structure and safe in operation.

本发明结构简单,操作安全.

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The results appear to suggest efficient and controllable gas production that responds rapidly to demand and yet is safe in operation.

这些结果似乎暗示天然气生产效率和可控的要求迅速作出反应，却是安全的行动。

Said invention is safe in operation, can save energy source, and its leaching rate of gold ore can be up to about 90%.

本发明效果好，节省资金，金矿浸出率可达90％左右，设备操作安全、节省能源。