型减压器是用于气体保护焊与气体测爆仪的定输出减压器，具有减压、控制气体流量的性能。
GA-1 reducer is used in quantitative output reducer for gas shielded welding and gas explosimeter. It has performance of pressure - reducing and gas flow control.
盛装过可燃、易燃气体、液体的各种容器、管道、罐柜等，未经清洗和测爆，没有安全保障时，不准焊、割。
Containers, pipes and tanks which used to fill with flammable gas, liquid without cleaning and measuring, should not be welded and scalpeled.
在冲击、爆轰等动态过程的研究中，被测三维表面将发生破裂及碎片飞散等过程，为动态过程的三维重建带来困难。
The breaking surface and dispersing fragments bring some difficulties to the surface restoration of dynamic process including impact or explosion process.
最大振动速度出现在迎爆侧边墙测点的径向方向，可将其作为爆破振动的控制速度；
The maximum vibration speed occurs at the radial direction of tunnel wall facing the blasting side, which can be regarded as the controlling vibration speed.
最大振动速度出现在迎爆侧边墙测点的径向方向，可将其作为爆破振动的控制速度；
The maximum vibration speed occurs at the radial direction of tunnel wall facing the blasting side, which can be regarded as the controlling vibration speed.
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