不要用塑料布等不透水材料覆盖割草机。
Do not cover the mower with impermeable materials - such as plastic sheets.
建筑里所有的表面都应当用不透水的材料这样可以彻底清洗。
All surfaces inside the building should be of impervious material to permit thorough washing.
水可能会在不透水的材料上冷凝并造成割草机的金属部件锈蚀。
Water may condense under impermeable materials and cause corrosion of metal parts of the mower.
按照本发明,是一顶帽子,帽子或头罩类似按照班轮由层的水分吸收材料是由一层的水分不透水物料支持。
In accordance with the present invention, a liner for a hat, cap or similar head covering comprises a layer of moisture absorbent material which is backed by a layer of moisture impervious material.
沥青属于憎水性材料,它不透水,也几乎不溶于水、丙酮、乙醚、稀乙醇,溶于二硫化碳、四氯化碳、氢氧化钠。
Asphalt is hydrophobic material, it impermeable, almost insoluble in water, dilute ethanol, acetone, ether, soluble in carbon disulfide, carbon tetrachloride, sodium hydroxide.
二地面采用不透水、防滑、耐重压且易于清洗之材料,并有适当斜度及排水系统以利排水,无局部积水之虞。
The floors shall be made of waterproof, anti-slippery, load-bearing, and easy-to-clean materials, and are sloped ina way that shall facilitate water drainage and keep the area from ponding.
用不透气不透水的薄膜材料覆盖在一个框架上形成罩子,罩子下边有密封环,可以阻止热气外泄。
The cover is formed by covering an airtight waterproof film on a frame. The lower edge of the cover is provided with a sealing ring which can prevent the external leakage of hot gas.
用不透气不透水的薄膜材料覆盖在一个框架上形成罩子,罩子下边有密封环,可以阻止热气外泄。
The cover is formed by covering an airtight waterproof film on a frame. The lower edge of the cover is provided with a sealing ring which can prevent the external leakage of hot gas.
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