他手里拿着一根有金制端部的手杖。
通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物,可改性环氧树脂。
Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).
这台机器既可以让加工物在两端的中心旋转(车制造桌腿之类),也可以在车床的一端旋转来车制碗状物。
This is used to turn work either between centres or on the end of the lathe for turning bowls.
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