清沟,即冻结的河道中的一段没有冻结的河段。清沟是由于温暖的地下水或污水排入、或急流处不易封冻而形成的。清沟是封冻河段内未冻结的狭长水沟,有些地区称亮子、封口或冰隙。清沟长的可达数十公里,短的仅几十米。
KG是一家生产不同尺寸堤边割草机,清沟器, 街道、轨道和渠道建筑的企业。
The company Anton Berkenheger GmbH &Co. KG offers services from the ranges Road, rail and canal construction, Embankment mower in addition to Pit cleaning devices.
为改善现场工作环境,利用水渣的松散性,研制了自动清渣机代替人工进行挖渣清沟。
In order to improve working condition, based on water granulated slag's looseness an automatic slag removal machine is developed to clean slag runner instead of manual work.
专科情况:神清,鸡胸,手足镯,串珠肋,肋缘外翻,赫氏沟。
Specialist case: normal mind keeled breast hand and foot bracelet rachitic rosary costal margin eversion harrison groove.
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