breaker arm 中文意思是什麼
breaker arm
解釋
斷電臂-
Arm contact breaker
臂板接觸器 -
Breaker arm spring
斷電臂彈簧 -
Technical specifications for tungsten arm of breaker contact
斷電器觸點用鎢桿.技術條件 -
Technology comparison between tri - arm rock drilling jumbo and hand rock breaker used in drilling and blasting construction of luofeng tunnel
蘿峰隧道三臂鑿巖臺車與手持式鑿巖機鉆爆法掘進施工技術比較
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