sand mark
英 [sænd mɑːk]
美 [sænd mɑːrk]
夹砂；夹杂物
双语例句
- Walking along the sands, Crusoe saw in the sand the mark of a man's foot.
克鲁索沿着沙滩漫步时，看见沙子中留有人得脚印。 - She had more sand in her than any girl I ever see; in my opinion she was just full of sand ( Mark Twain)
她比我所见过的任何女孩都更有勇气；在我看来她充满勇毅（马克吐温） - Study indicated that under the given design conditions the main factors which influence freeze-resistance of the dam concrete are: sand grading, cement mark, cement consumption and content of additive and flyash.
经研究表明，在设计指标已定的情况下，影响观音阁水库大坝混凝土抗冻性的主要因素是砂子级配、水泥品种及用量、外加剂掺量、粉煤灰掺量等。