英语词汇“pit saw”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pit saw

noun historical

A large saw with handles at the top and bottom, used in a vertical position by two men, one standing above the timber to be cut, the other in a pit below it.Shafts could be ripped by handsaw from one-inch planks cut with a pit saw, or they were sometimes split from a billet with a froe, or wedge....

The use of the pit saw required that men work in teams of two, one to handle the up-stroke, the other to pull down on the saw to make the cut.
Furthermore, licences have been issued to five pit saw millers who are specifically allotted trees they cut and frequently monitored to ensure that they do not engage in activities that are contrary to the provisions of their licences.

单词	pit saw
释义	pit saw noun historical A large saw with handles at the top and bottom, used in a vertical position by two men, one standing above the timber to be cut, the other in a pit below it.Shafts could be ripped by handsaw from one-inch planks cut with a pit saw, or they were sometimes split from a billet with a froe, or wedge.... The use of the pit saw required that men work in teams of two, one to handle the up-stroke, the other to pull down on the saw to make the cut. Furthermore, licences have been issued to five pit saw millers who are specifically allotted trees they cut and frequently monitored to ensure that they do not engage in activities that are contrary to the provisions of their licences.
随便看	allotmenteer allotment letter allotment system allotone allotransplant allotransplantation allotransplanted allotriomorph allotriomorphic allotrope allotrophic allotropic allotropical allotropically allotropism allotropy allottable allotted span allottee allotter allotype allotypic allotypy all out all over