Check all items in the checklist such as test of content of oxygen test of explosionpoint exploded-proof lamp good ventilation.
核对检查单并检查所有项目,如测量氧气含量,检验爆炸点,防爆灯和通风。
2
Check all items in the checklist, such as test of content of oxygen, test of explosionpoint, exploded-proof lamp, good ventilation.
核对检查单并检查所有项目,如测量氧气含量,检验爆炸点,防爆灯和通风。
3
We find that there appears a singular trajectory ( density on it being zero ) and a additional left-facing shock after the reflected wave reaches the explosionpoint.