自由的 松散的 无拘束的英释中释
unconfined compression,无侧限抗压强度；无侧限压缩
unconfined compressive strength,无侧限抗压强度；非封闭抗压强度
unconfined aquifer,非承压含水层；不受压含水层；无压含水层
unconfined compression test,无侧限压缩试验；无围压缩试验
