The utility model belongs to a handcart, particularly belonging to pneumatic load switch handcart.
本实用新型属于手车, 尤其属于压气式负荷开关手车。
Antidetonation electric control pneumatic switch ball valve A thrust with the pin broke the balloon.
防爆电控气动开关球阀用针一戳，气球就爆了。
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