涡轮螺旋桨飞机 turboprop ; [航] turboprop aircraft ; turbopropeller plane
车轮螺栓 Wheel bolt ; wheel stud ; wheel nut
齿轮螺旋线样板 the helix master of gear
车轮螺母 wheel nut ; LUG NUTS
齿轮螺旋线测量仪 gear helix measuring instrument
叶轮螺母 Impeller cap ; [机] impeller nut
手轮螺母 hand wheel nut
活动轮螺丝附件 CASTORS FITTINGS
涡轮螺桨发动机 [航] turboprop ; propjet
星轮的作用相当于往复活塞压缩机的活塞，当星轮齿在螺槽内相对运动时，封闭容积逐渐减小，气体受到压缩。
Equivalent to sing the role of round piston reciprocating piston compressor, when the satellite gear shafts relative motion at the Beaufort, the closed volume decreases, the gas being compressed.
方法 建立查螺环境数据库，以镇为单位组建专业队伍，采用普查与轮查相结合的方法开展查螺。
Methods A database of environment in snail survey was established, and specialized personnel were organized at town level. The general survey combined with survey in turn was used.
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