Prior to lowering the top drive system or rigging down, ensure that sufficient wraps of drilling line remain on the drum.

在下放或拆卸顶驱系统之前，要保证辊筒上留有足够的大绳圈数。

youdao

Mr Charest's bet seems to be that the police investigation, recently boosted with extra funds, will break down the silence of the construction firms implicated in bid-rigging.

夏雷先生的赌注似乎在于警方的调查可能会打破那些串通投标建筑公司的沉默。

youdao

Mr Charest's bet seems to be that the police investigation, recently boosted with extra funds, will break down the silence of the construction firms implicated in bid-rigging.

夏雷先生的赌注似乎在于警方的调查可能会打破那些串通投标建筑公司的沉默。

youdao