常見例句雙語(yǔ)例句Objective: To observe the effect of casting anatomy bolt post-core in restoration of residual crown and root of molars.目的:觀察分體栓道式鑄造樁核在磨牙殘冠殘根修復(fù)中的作用。Automatic bolt assemble machine is a mechanical device which can continuously fit in bolt, iron core, the plastic platoon.全自動(dòng)螺釘裝配機(jī)是對(duì)實(shí)現(xiàn)螺釘、鐵芯和塑料排三種零件組成接線端子裝配體的裝配。The lock core bolt hole is internally provided with the lock core bolt;在鎖芯閂插入孔內(nèi)設(shè)有頂推塊和彈簧。ip.com 返回 bolt core