刮涂

Carving gravure of business card printing and membership card making production and offset business card printing and membership card making, and so on are very different, first of all the manuscripts submitted to approx 10 times, the perimeter line by hand is decisived on top of a piece of zinc tablet with a smaller machine to get an outside line back into the original large carved in a piece about an inch of eight brass, and copper strip it is some anticorrosive toppedwith films, because of copper strip is triggered from the perimeter line, so the rough body by hand for the film, when removed, and then use the medicine to the erosion of deep water, and proto-end knife with a magnifying glass and, thetolerant to the edge, sharp corners repaired, such as location on a layer of chrome, it's a printing plate.

雕刻凹版的制卡和会员卡制作制作与柯式制卡和会员卡制作等有很大的分别，首先把来稿放大约十倍，把外围线用手工刻划在一块锌片之上，再用一部缩细机械把外线缩回原大刻在一块约八份一寸的铜片上，而这件铜片上是涂有一些防腐蚀薄膜的，因为铜片只是勾上字的外围线，所以要用手工将粗身地上的薄膜刮去，然后用药水将印纹蚀深，最后仍要用放大镜及雕刻刀，耐性地将线边、尖角等位置修好，再镀上一层铬，这印版便大功告成。

Cleaning Equipment Series: floor cleaning machine; polishing machine; Stone refurbished machine; vacuum suction machine; portable polishing machine; three-speed fan; clean cars; room service vehicles; pressing water; Hand Dryer; cleaning supplies Series: Titanium, stainless steel cup smoke; mats; elevator pad; mop; dust pushed; Blade; push of water; Tu traps; glass blowing; telescopic rod; notice boards; safety rope; belts; hanging plate; self-locking device; large Volume carton; towel carton; automatic fragrance machine; soap dispenser; watering can; sprayer; mobile cleaning basket; scouring pad; non-slip mats; wear-resistant floor mats; Polaroid U.S.

洗地机；抛光机；石材翻新机；吸尘吸水机；手提抛光机；三速风机；清洁车；客房服务车；榨水车；干手器；钛金、不锈钢烟盅；地垫；电梯垫；地拖；尘推；铲刀；推水器；涂水器；玻璃刮；伸缩杆；告示牌；安全绳；安全带；吊板；自锁器；大卷纸盒；擦手纸盒；自动飘香机；皂液器；喷壶；喷雾器；手提清洁篮；百洁垫；防滑地垫；耐磨地垫；宝丽美地垫；电梯地垫

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。