“抓钩”造句
他们正用
抓钩在河底打捞那个失踪的孩子.
They were dragging the river for the missing child.
放松提升链条, 使其逐渐啮合
抓钩链环.
Lower the grab link until it engages the lifting chain. 3.
为了防止尼龙绳松弛,要使
抓钩链环脱离提升链条.
Release tension on lifting chain so that it engages the grab link and gradually . 4.