Different bait feeding comparison for crassostrea gigas larvae 太平洋牡蛎面盘幼虫不同饵料的投喂比较
2.
The inner spindle protrudesfrom the gear - box and contians a means for mounting various types ofchucks , face plats , and dog plates on it 变速箱中突出的内轴含有接口，可连接各种型号的卡盘，面盘，狗盘。
