spinneret的精選

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用“spinneret”造句大全，spinneret造句

用“spinneret”造句大全，spinneret造句

2021-12-06
Manytinytubesconnecteachsilkglandwithaspinneret.Usuallythenumberofholesinthespinneretdeterminesthenumberoffilamentintheyarn.“Butifyoulookatasilkworm,itonlyhasonekindofspinneret,”sheadded.Shineandfla...