(),where the ship is docked for hull coating renewal, and for any other required underwater work to be carried out, when the opportunity is taken to make other repairs.
A. Voyage repairs
B. Routine docking
C. Damage repairs
D. Conversio
石膏板标志法观测裂缝,用()的石膏板,固定在裂缝两侧。
A. 厚40mm,宽约20~50mm
B. 厚30mm,宽约30~60mm
C. 厚20mm,宽约40~70mm
D. 厚10mm,宽约50~80mm
菌丝典型的生长曲线分为五个时期,即延迟期、指数期、减速期、稳定期和衰亡期。()
A. 正确
B. 错误
标准GB50205-2001规定高强度螺栓抗滑移系数检验中,试件应在其侧面画出观察滑移的直线。
A. 正确
B. 错误