preventor

基本解釋

Best crow's-feet zapper super line preventor, by PRESCRIPTIVES.
可抗氧化,促進骨膠元生長。
A high sensitive spark preventor is installed in this machine; it can prevent effectively wearing mould.
高靈敏度火花抑制,電路防止損壞模具。
A high sensitive Fire preventor is adopted in this machine,it can prevent wearing effectively.
采用高感度火花防止器，有效防止損模。
A high sensitive spark preventor is installed in this machine,it can prevent effectively wearing mould.
采用高感度火花防止器，有效防止損模。
If gas is detected, the driller immediately lowers the drill pipe as low as possible and clamps it with the Blowout Preventor Pipe Rams, stopping fluid loss from the well.
如果檢測到天然氣,鉆孔機立即盡可能低地放低鉆桿,并用“防井噴閘板”將其夾緊,防止井中流體損失。