The calculation of severely hazardous radius and area of the leaky ammonia provides theoretically basis for working out emergency succor plan.

预测液氨泄漏的重度危险半径和面积，为企业事故应急预案的制定提供理论依据。

youdao

In the case of cargo ships, no one under 18 May work in the areas marked on the ship's plan (to be attached to this Declaration) as "hazardous area".

对于货船来说，任何18岁以下的人都不得在船舶平面图(将附在本声明之后)中被标为“危险区域”的区域内工作。

youdao

In the case of cargo ships, no one under 18 May work in the areas marked on the ship's plan (to be attached to this Declaration) as "hazardous area".

对于货船来说，任何18岁以下的人都不得在船舶平面图(将附在本声明之后)中被标为“危险区域”的区域内工作。

youdao