基本解释[医药科学]牵开钩英汉例句双语例句The hook was clamped by two screw nuts on the screw, and these makes up of the retractor finally.不锈钢丝拉钩经两个螺母夹持固定在磁力底座的螺栓上，组成简易的磁力底座拉钩；d.wanfangdata.com.cnretractor hook更多例句词组短语短语retractor r hook 牵开钩hook retractor 牵开钩vein hook retractor 静脉钩牵开器retractor hook更多词组专业释义医药科学牵开钩