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ring chamber standard orifice
meaning in English
环室型标准孔
Related Words
orifice
cock orifice
semicircle orifice
oxygen orifice
sinoatrial orifice
three orifices
oesophageal orifice
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gland orifice
auriculoventricular orifice
ring chain bucket elevator
ring chain tautomerism
ring chamfer dimension
ring changes
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