Please move the manhole cover away .请将人孔盖移开。Stainless steel bolts and nuts shall be tightened on manhole covers.人孔盖使用不锈钢螺栓和螺母拧紧.Debus turn head in the manhole 2 to have equipments smoothly entered.在人井2中,将弯头卸下,便于设备进入.How ...
I see him chafe and fret at every pore.我看见他非常暴躁.The foaming waves chafe against the rocky shore.汹涌的波涛猛烈地冲击着礁岸.A stiff collar may chafe your neck.硬的衣领会擦伤你的脖子....
Objective To investigate the distribution and clinical significance of aerobes in the microecosystem of ostiomeatal complex.目的初步研究窦口鼻道复合体微生态系需氧菌分布及临床意义....