gland spring 中文意思是什麼
gland spring
解釋
汽封彈簧-
Outside the series the multi - purpose safety mask may install the belt to decide burnt or the zoom lens ccd camera, the roof panel opens the type for the spring assistance before, behind connects with the lock catch ; the base has the electric cable gland which two may adjust, facilitates installs the power source and the video frequency line
Kl - 8012系列室外多功能防護罩可安裝帶定焦或變焦鏡頭的ccd攝像機頂蓋為彈簧輔助前開式，後部用鎖扣連接底部有兩個可調節的電纜密封套，方便安裝電源和視頻線。
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