noun 下载 🔗分享 信号员,起重工指挥。 The person who directs the operation of a crane or larger vehicle from the point near where loads are attached and detached. Examples : "The banksman used hand signals to guide the crane operator as the steel beam was carefully lowered into place. " 信号员用手势引导着起重机操作员,小心地将钢梁吊放到位。 job technical machine industry vehicle position person work 与AI对话词汇游戏阅读练习