propping

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. The act by which something is propped.
    — By certain arrangements in the former method the miner not only gets the coal but makes all proppings and repairs, so that the face moves much more slowly than with the other method where the hewers devote all their time to getting the coal […]
动词 v.
  1. present participle and gerund of prop form-of,gerund,participle,present

词形变化

proppings plural
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