He had no rope mates, no porters, no rescue team.

他没有绳索助手，没有行李搬运工，没有救援队。

youdao

Greater die availability compared with manual storage systems; no maintenance of floor-level trans porters is needed, and personnel costs are saved.

比人工存储极大提高了效率，地面的传送系统无需维护，减少了仓管人员。

youdao

Greater die availability compared with manual storage systems; no maintenance of floor-level trans porters is needed, and personnel costs are saved.

比人工存储极大提高了效率，地面的传送系统无需维护，减少了仓管人员。

youdao