英语词汇“gravell wall”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

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单词	gravell wall
释义	gravell wall 砾石渗透器
随便看	external trigger pulse external trimmer external trochanter external tubercle of humerus external tuber of Henle external tuberosity of bitia external tuberosity of femur external tuberosity of tibia external turning external turning tool of lever design external turning tool of wedge clamp design external turning tool with carbide insert external two-channel radiotelemetrical detector external-type idle limiter External Undercut external unit external unit identifier External upper lip external-upset external upset externalupset external upset casing external upset drill pipe external upset drill pipe, EU drill pipe external upset forging