... 你看铁路运输设备既有线测量 survey of existing line;survey of existing railway 道床作业 ballast operation 输导砂 sediment transport ...
基于36个网页-相关网页
gas ballast operation 气体镇流工作
Ballast Operation Frequency 总谐波含量
clean ballast tank operation manual 清洁压载舱操作手册
continual operation ballast 连续工作镇流器
intermittent operation ballast 间歇工作镇流器
And finally, the crane can be online, to monitor real time crane lift and also send the planned steps for a crane operation to ballast system (already delivered to several vessels).
最后，起重机，可在线，实时监测，并派电梯起重机起重机操作步骤的计划，以压载系统(已交付给多艘船舶)。
The operation for hauling bulk ballast will need two access points along a segment at approximately2.5mile intervals.
搬运大批的道碴需要沿一个区段的两个进入点，间隔距离约为2。5英里。
By controlling ship floating state, the rate and ability of loading or discharging ballast water can be enhanced to ensure the adaptation of ballast water to cargo operation during the cargo loading.
通过控制船舶的浮态提高船舶压载水的速率及排放能力，保证货物装载过程中压载水与货物操作相适应。
应用推荐