“travelling block”可以造什么句,travelling block造句
来源:语文精选馆 1.08W
When hoisting any large or heavy equipment off the catwalk always check the Working Load Limit (WLL) of the air winch, or use the travelling block or crane if available.
I don't think it will be difficult for you to do the maintenance work for this travelling block, for its construction is quite simple.