In emergency case it could be closed with caisson with the weight of 150 tons.
在紧急情况下，可以用150吨重的沉箱将其关住。
2
The top half of the 1-x is a dummy. What would be an upper-stage, with a crew capsule and its emergency escape mechanism are simulators made to the correct shape and weight.
战神一号X型的上半部分是个模拟仓，上层安装着根据合适形状和重量制造的船员舱和紧急逃生机制的模拟器。
3
Balance weight set free fall emergency braking device, which can realize auto control load loss protection, when the wellhead end accidental loss of load, balance weight free fall.