单词：drawing-back
drawing-back的用法和样例：
例句
- If the engine backfires, the sudden pressure in the intake manifold forces the valve back.如果发动机回火，进气歧管骤增的压力就迫使阀门向后移动。
词汇搭配
- back pull wire drawing machine反拉力拉丝机...
- back tension drawing后张力拉伸
- back elevation drawing背视图
- drawing back of pillars后退式回采矿柱...
- drawing back钢的回火
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