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#挑戰30天在頭條寫日記#晚安[萬柿如意][萬柿如意]Inanexcavatorwithrigidsuspensiono

#挑戰30天在頭條寫日記# 晚安[萬柿如意][萬柿如意] In an excavator with rigid suspension of the bucket the normal digging forces which usually tend to raise the bucket from the soil are overcome by the full weight of the machine, while in an excavator with flexible suspension, only by the weight of the working attachment.

#挑戰30天在頭條寫日記#晚安[萬柿如意][萬柿如意]Inanexcavatorwithrigidsuspensiono
#挑戰30天在頭條寫日記#晚安[萬柿如意][萬柿如意]Inanexcavatorwithrigidsuspensiono
#挑戰30天在頭條寫日記#晚安[萬柿如意][萬柿如意]Inanexcavatorwithrigidsuspensiono

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