Try photographing in a field or any open space where you can also use the larger surface area rather than just shooting in a room or a studio. Plus you will also have the benefit of natural lights.
让你的家人或者朋友到户外来,尝试在田野中或其他你能利用的开阔场地来拍照,而不要局限在房间里或者摄影棚中。
All standard coils are mechanically expanded copper pipes plus aluminum fins. The surface cooling section is equipped with a pitched discharge coil to ensure complete discharge of condensed water.
盘管的标准型式均为铜管串铝翅片结构,采用机械胀管。表冷段设计有倾斜式排水盘,保证彻底排尽水盘中的凝水。
The surface residual stresses of tank track pins after being strengthened by means of rolling, shot peening or rolling plus shot peening were measured by X-ray stress measurer, respectively.
用X射线应力测量仪分别测定了坦克履带销经滚压、喷丸和滚压加喷丸三种表面强化后的表面残余应力。
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