non expansion steelnon-expansion steel不: a block of wood膨胀: expand; swell; dilate; infla ...钢: sharpen; strop; whet超级不膨胀钢: super-non-expa ion steel; super-non-expansion steel不膨胀: non expansion; nonexpansion下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:不膨胀钢，即可在微信中查询翻译
