以技术制图标准为依据，介绍了国标的统一和简化的意义。
Based on technical drawing standards, this paper describes the union and simplification meaning of national standards.
齿轮制图标准。第1部分：正齿。螺旋齿。双螺旋齿和齿条。
Gear drawing standards - part 1: for spur, helical, double helical and rack.
《采暖通风与空气调节制图标准》(GBJ144- 88)5。
"Heating, ventilation mapping and air conditioning standard" (GBJ144-88) 5.
并从专业角度上说明在施工图阶段不符合总图制图标准的建筑总平面图有何弊端。
It explains in special field that what abuses will appear if the architectural general plan doesn't conform to "the standard of the…"
通过分析发现，现行建筑制图标准中的图形符号绝大部分在大小和形状具有适宜性、区分性。
The most of the figure symbols of the current unified standard of architectural drawing are proper and there are distinctions between those.
《暖通空调制图标准》 （GB/T50114-2001）本工程空调水系统庞大而复杂，且容易产生水力失调，所以选用了水力平衡性较好 的同程式系统。
"Drawing Standard HVAC" (GB/T50114-2001) The air conditioning water systems engineering large, complex and prone to water imbalance, so use a good hydraulic balance system with the program.
《暖通空调制图标准》 （GB/T50114-2001）本工程空调水系统庞大而复杂，且容易产生水力失调，所以选用了水力平衡性较好 的同程式系统。
"Drawing Standard HVAC" (GB/T50114-2001) The air conditioning water systems engineering large, complex and prone to water imbalance, so use a good hydraulic balance system with the program.
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