1.
Study on Test of Settling Basin for Oncomelania Snail and Drawing Water in Middle-level Project;
沉螺池和中层取水工程措施试验研究
2.
sunk screw
【机】埋[沉]头螺丝
3.
Old, dark sleepy pool
古老的，沉寂的池面
4.
sediment space
沉淀空间(蓄电池的)
5.
Slotted countersunk head screws
GB/T68-1985开槽沉头螺钉
6.
Slotted raised countersunk head screws
GB/T69-1985开槽半沉头螺钉
7.
Slotted countersink head wood screws
GB/T100-1986开槽沉头木螺钉
8.
Cross recessed countersunk head screws
GB/T819-1985十字槽沉头螺钉
9.
Flat countersunk nib bolts
GB/T11-1988沉头带榫螺栓
10.
Flat countersunk double nib bolts
GB/T800-1988沉头双榫螺栓
11.
Flat countersunk square neck bolts
GB/T10-1988沉头方颈螺栓
12.
slotted oval countersunk head wood screw
一字槽椭圆沉头木螺丝
13.
Effective measures to promote the efficiency of tube settler;
改善斜管沉淀池沉淀效果的工程措施
14.
Remove the battery holder by turning the battery holder screw counterclockwise with a coin.
用硬币逆时针旋开电池室上的螺丝,卸下电池室。
15.
Upper and lower welding heads-"oil bath"type with Hydraulic Nut.
上、下焊头(油池型)带液压螺帽
16.
Remove the five screws that secure the battery tray to the vehicle.
拆下固定电池架到车身的五个螺丝。
17.
Remove the battery cover retaining screws from the data back battery cover with a small (+) or (-) screwdriver. Remove the battery cover.
用小型（+）或（-）自螺丝起子,从日期背盖电池盖上旋下电池盒盖上的螺丝,卸下电池盒盖
18.
A TEST OF CONTINUOUS SEDIMENTATION - STUDY ON THE SETTLING PERFORMANCE IN A SECONDARY CLARIFIER
连续流沉淀试验——二次沉淀池运行工况的研究