NEVER use wrenches or other persuaders to operate the valve.禁止使用扳手或其它强制性工具来操作阀门.Thus, torque wrenches should be used for tightening DISS connections.因此, 应该使用转矩扳手来上紧DISS接头.Torque wrenches offer the precision measurement n...
Honey is a naturally acidic substance.蜂蜜是天然的酸性物质。Acidic electropolishing solution for aluminium ( alloy ) is presented. Components and parameters are analyzed.提出了铝及其合金的酸性电解抛光液,分析了各组分的作用及工艺参数.Gastric juice is a kind of ac...
...fields of sweet corn and beet.种甜玉米和甜菜的田地There sugar-beet plantation areas were expanded to 176000 hectares.他们的甜菜种植面积增加到176000公顷。The process of microsporocyte rneiosis in triploid sugar beet was reported and analysed i...